208984950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:331

約数の個数: 144

約数和(自身を含む): 590533632

約数和(自身を除く): 381548682

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 31, 45, 50, 62, 71, 75, 90, 93, 142, 150, 155, 186, 211, 213, 225, 279, 310, 355, 422, 426, 450, 465, 558, 633, 639, 710, 775, 930, 1055, 1065, 1266, 1278, 1395, 1550, 1775, 1899, 2110, 2130, 2201, 2325, 2790, 3165, 3195, 3550, 3798, 4402, 4650, 5275, 5325, 6330, 6390, 6541, 6603, 6975, 9495, 10550, 10650, 11005, 13082, 13206, 13950, 14981, 15825, 15975, 18990, 19623, 19809, 22010, 29962, 31650, 31950, 32705, 33015, 39246, 39618, 44943, 47475, 55025, 58869, 65410, 66030, 74905, 89886, 94950, 98115, 99045, 110050, 117738, 134829, 149810, 163525, 165075, 196230, 198090, 224715, 269658, 294345, 327050, 330150, 374525, 449430, 464411, 490575, 495225, 588690, 674145, 749050, 928822, 981150, 990450, 1123575, 1348290, 1393233, 1471725, 2247150, 2322055, 2786466, 2943450, 3370725, 4179699, 4644110, 6741450, 6966165, 8359398, 11610275, 13932330, 20898495, 23220550, 34830825, 41796990, 69661650, 104492475, 208984950]

約数ペア:

[(1, 208984950), (2, 104492475), (3, 69661650), (5, 41796990), (6, 34830825), (9, 23220550), (10, 20898495), (15, 13932330), (18, 11610275), (25, 8359398), (30, 6966165), (31, 6741450), (45, 4644110), (50, 4179699), (62, 3370725), (71, 2943450), (75, 2786466), (90, 2322055), (93, 2247150), (142, 1471725), (150, 1393233), (155, 1348290), (186, 1123575), (211, 990450), (213, 981150), (225, 928822), (279, 749050), (310, 674145), (355, 588690), (422, 495225), (426, 490575), (450, 464411), (465, 449430), (558, 374525), (633, 330150), (639, 327050), (710, 294345), (775, 269658), (930, 224715), (1055, 198090), (1065, 196230), (1266, 165075), (1278, 163525), (1395, 149810), (1550, 134829), (1775, 117738), (1899, 110050), (2110, 99045), (2130, 98115), (2201, 94950), (2325, 89886), (2790, 74905), (3165, 66030), (3195, 65410), (3550, 58869), (3798, 55025), (4402, 47475), (4650, 44943), (5275, 39618), (5325, 39246), (6330, 33015), (6390, 32705), (6541, 31950), (6603, 31650), (6975, 29962), (9495, 22010), (10550, 19809), (10650, 19623), (11005, 18990), (13082, 15975), (13206, 15825), (13950, 14981)]