278028900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:339

約数の個数: 216

約数和(自身を含む): 934315200

約数和(自身を除く): 656286300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 45, 50, 57, 60, 71, 75, 76, 90, 95, 100, 114, 142, 150, 171, 180, 190, 213, 225, 228, 229, 284, 285, 300, 342, 355, 380, 426, 450, 458, 475, 570, 639, 684, 687, 710, 852, 855, 900, 916, 950, 1065, 1140, 1145, 1278, 1349, 1374, 1420, 1425, 1710, 1775, 1900, 2061, 2130, 2290, 2556, 2698, 2748, 2850, 3195, 3420, 3435, 3550, 4047, 4122, 4260, 4275, 4351, 4580, 5325, 5396, 5700, 5725, 6390, 6745, 6870, 7100, 8094, 8244, 8550, 8702, 10305, 10650, 11450, 12141, 12780, 13053, 13490, 13740, 15975, 16188, 16259, 17100, 17175, 17404, 20235, 20610, 21300, 21755, 22900, 24282, 26106, 26980, 31950, 32518, 33725, 34350, 39159, 40470, 41220, 43510, 48564, 48777, 51525, 52212, 60705, 63900, 65036, 65265, 67450, 68700, 78318, 80940, 81295, 87020, 97554, 101175, 103050, 108775, 121410, 130530, 134900, 146331, 156636, 162590, 195108, 195795, 202350, 206100, 217550, 242820, 243885, 261060, 292662, 303525, 308921, 325180, 326325, 391590, 404700, 406475, 435100, 487770, 585324, 607050, 617842, 652650, 731655, 783180, 812950, 926763, 975540, 978975, 1214100, 1219425, 1235684, 1305300, 1463310, 1544605, 1625900, 1853526, 1957950, 2438850, 2780289, 2926620, 3089210, 3658275, 3707052, 3915900, 4633815, 4877700, 5560578, 6178420, 7316550, 7723025, 9267630, 11121156, 13901445, 14633100, 15446050, 18535260, 23169075, 27802890, 30892100, 46338150, 55605780, 69507225, 92676300, 139014450, 278028900]

約数ペア:

[(1, 278028900), (2, 139014450), (3, 92676300), (4, 69507225), (5, 55605780), (6, 46338150), (9, 30892100), (10, 27802890), (12, 23169075), (15, 18535260), (18, 15446050), (19, 14633100), (20, 13901445), (25, 11121156), (30, 9267630), (36, 7723025), (38, 7316550), (45, 6178420), (50, 5560578), (57, 4877700), (60, 4633815), (71, 3915900), (75, 3707052), (76, 3658275), (90, 3089210), (95, 2926620), (100, 2780289), (114, 2438850), (142, 1957950), (150, 1853526), (171, 1625900), (180, 1544605), (190, 1463310), (213, 1305300), (225, 1235684), (228, 1219425), (229, 1214100), (284, 978975), (285, 975540), (300, 926763), (342, 812950), (355, 783180), (380, 731655), (426, 652650), (450, 617842), (458, 607050), (475, 585324), (570, 487770), (639, 435100), (684, 406475), (687, 404700), (710, 391590), (852, 326325), (855, 325180), (900, 308921), (916, 303525), (950, 292662), (1065, 261060), (1140, 243885), (1145, 242820), (1278, 217550), (1349, 206100), (1374, 202350), (1420, 195795), (1425, 195108), (1710, 162590), (1775, 156636), (1900, 146331), (2061, 134900), (2130, 130530), (2290, 121410), (2556, 108775), (2698, 103050), (2748, 101175), (2850, 97554), (3195, 87020), (3420, 81295), (3435, 80940), (3550, 78318), (4047, 68700), (4122, 67450), (4260, 65265), (4275, 65036), (4351, 63900), (4580, 60705), (5325, 52212), (5396, 51525), (5700, 48777), (5725, 48564), (6390, 43510), (6745, 41220), (6870, 40470), (7100, 39159), (8094, 34350), (8244, 33725), (8550, 32518), (8702, 31950), (10305, 26980), (10650, 26106), (11450, 24282), (12141, 22900), (12780, 21755), (13053, 21300), (13490, 20610), (13740, 20235), (15975, 17404), (16188, 17175), (16259, 17100)]