31250100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:694

約数の個数: 144

約数和(自身を含む): 107993088

約数和(自身を除く): 76742988

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 25, 28, 30, 35, 42, 46, 50, 60, 69, 70, 75, 84, 92, 100, 105, 115, 138, 140, 150, 161, 175, 210, 230, 276, 300, 322, 345, 350, 420, 460, 483, 525, 575, 644, 647, 690, 700, 805, 966, 1050, 1150, 1294, 1380, 1610, 1725, 1932, 1941, 2100, 2300, 2415, 2588, 3220, 3235, 3450, 3882, 4025, 4529, 4830, 6470, 6900, 7764, 8050, 9058, 9660, 9705, 12075, 12940, 13587, 14881, 16100, 16175, 18116, 19410, 22645, 24150, 27174, 29762, 32350, 38820, 44643, 45290, 48300, 48525, 54348, 59524, 64700, 67935, 74405, 89286, 90580, 97050, 104167, 113225, 135870, 148810, 178572, 194100, 208334, 223215, 226450, 271740, 297620, 312501, 339675, 372025, 416668, 446430, 452900, 520835, 625002, 679350, 744050, 892860, 1041670, 1116075, 1250004, 1358700, 1488100, 1562505, 2083340, 2232150, 2604175, 3125010, 4464300, 5208350, 6250020, 7812525, 10416700, 15625050, 31250100]

約数ペア:

[(1, 31250100), (2, 15625050), (3, 10416700), (4, 7812525), (5, 6250020), (6, 5208350), (7, 4464300), (10, 3125010), (12, 2604175), (14, 2232150), (15, 2083340), (20, 1562505), (21, 1488100), (23, 1358700), (25, 1250004), (28, 1116075), (30, 1041670), (35, 892860), (42, 744050), (46, 679350), (50, 625002), (60, 520835), (69, 452900), (70, 446430), (75, 416668), (84, 372025), (92, 339675), (100, 312501), (105, 297620), (115, 271740), (138, 226450), (140, 223215), (150, 208334), (161, 194100), (175, 178572), (210, 148810), (230, 135870), (276, 113225), (300, 104167), (322, 97050), (345, 90580), (350, 89286), (420, 74405), (460, 67935), (483, 64700), (525, 59524), (575, 54348), (644, 48525), (647, 48300), (690, 45290), (700, 44643), (805, 38820), (966, 32350), (1050, 29762), (1150, 27174), (1294, 24150), (1380, 22645), (1610, 19410), (1725, 18116), (1932, 16175), (1941, 16100), (2100, 14881), (2300, 13587), (2415, 12940), (2588, 12075), (3220, 9705), (3235, 9660), (3450, 9058), (3882, 8050), (4025, 7764), (4529, 6900), (4830, 6470)]