203467880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2131}}^1$

素因数の和:2191

約数の個数: 128

約数和(自身を含む): 589455360

約数和(自身を除く): 385987480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 88, 110, 124, 140, 154, 155, 217, 220, 248, 280, 308, 310, 341, 385, 434, 440, 616, 620, 682, 770, 868, 1085, 1240, 1364, 1540, 1705, 1736, 2131, 2170, 2387, 2728, 3080, 3410, 4262, 4340, 4774, 6820, 8524, 8680, 9548, 10655, 11935, 13640, 14917, 17048, 19096, 21310, 23441, 23870, 29834, 42620, 46882, 47740, 59668, 66061, 74585, 85240, 93764, 95480, 117205, 119336, 132122, 149170, 164087, 187528, 234410, 264244, 298340, 328174, 330305, 462427, 468820, 528488, 596680, 656348, 660610, 726671, 820435, 924854, 937640, 1312696, 1321220, 1453342, 1640870, 1849708, 2312135, 2642440, 2906684, 3281740, 3633355, 3699416, 4624270, 5086697, 5813368, 6563480, 7266710, 9248540, 10173394, 14533420, 18497080, 20346788, 25433485, 29066840, 40693576, 50866970, 101733940, 203467880]

約数ペア:

[(1, 203467880), (2, 101733940), (4, 50866970), (5, 40693576), (7, 29066840), (8, 25433485), (10, 20346788), (11, 18497080), (14, 14533420), (20, 10173394), (22, 9248540), (28, 7266710), (31, 6563480), (35, 5813368), (40, 5086697), (44, 4624270), (55, 3699416), (56, 3633355), (62, 3281740), (70, 2906684), (77, 2642440), (88, 2312135), (110, 1849708), (124, 1640870), (140, 1453342), (154, 1321220), (155, 1312696), (217, 937640), (220, 924854), (248, 820435), (280, 726671), (308, 660610), (310, 656348), (341, 596680), (385, 528488), (434, 468820), (440, 462427), (616, 330305), (620, 328174), (682, 298340), (770, 264244), (868, 234410), (1085, 187528), (1240, 164087), (1364, 149170), (1540, 132122), (1705, 119336), (1736, 117205), (2131, 95480), (2170, 93764), (2387, 85240), (2728, 74585), (3080, 66061), (3410, 59668), (4262, 47740), (4340, 46882), (4774, 42620), (6820, 29834), (8524, 23870), (8680, 23441), (9548, 21310), (10655, 19096), (11935, 17048), (13640, 14917)]