202875160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:249

約数の個数: 128

約数和(自身を含む): 506880000

約数和(自身を除く): 304004840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 79, 95, 109, 124, 152, 155, 158, 190, 218, 248, 310, 316, 380, 395, 436, 545, 589, 620, 632, 760, 790, 872, 1090, 1178, 1240, 1501, 1580, 2071, 2180, 2356, 2449, 2945, 3002, 3160, 3379, 4142, 4360, 4712, 4898, 5890, 6004, 6758, 7505, 8284, 8611, 9796, 10355, 11780, 12008, 12245, 13516, 15010, 16568, 16895, 17222, 19592, 20710, 23560, 24490, 27032, 30020, 33790, 34444, 41420, 43055, 46531, 48980, 60040, 64201, 67580, 68888, 82840, 86110, 93062, 97960, 128402, 135160, 163609, 172220, 186124, 232655, 256804, 266941, 321005, 327218, 344440, 372248, 465310, 513608, 533882, 642010, 654436, 818045, 930620, 1067764, 1284020, 1308872, 1334705, 1636090, 1861240, 2135528, 2568040, 2669410, 3272180, 5071879, 5338820, 6544360, 10143758, 10677640, 20287516, 25359395, 40575032, 50718790, 101437580, 202875160]

約数ペア:

[(1, 202875160), (2, 101437580), (4, 50718790), (5, 40575032), (8, 25359395), (10, 20287516), (19, 10677640), (20, 10143758), (31, 6544360), (38, 5338820), (40, 5071879), (62, 3272180), (76, 2669410), (79, 2568040), (95, 2135528), (109, 1861240), (124, 1636090), (152, 1334705), (155, 1308872), (158, 1284020), (190, 1067764), (218, 930620), (248, 818045), (310, 654436), (316, 642010), (380, 533882), (395, 513608), (436, 465310), (545, 372248), (589, 344440), (620, 327218), (632, 321005), (760, 266941), (790, 256804), (872, 232655), (1090, 186124), (1178, 172220), (1240, 163609), (1501, 135160), (1580, 128402), (2071, 97960), (2180, 93062), (2356, 86110), (2449, 82840), (2945, 68888), (3002, 67580), (3160, 64201), (3379, 60040), (4142, 48980), (4360, 46531), (4712, 43055), (4898, 41420), (5890, 34444), (6004, 33790), (6758, 30020), (7505, 27032), (8284, 24490), (8611, 23560), (9796, 20710), (10355, 19592), (11780, 17222), (12008, 16895), (12245, 16568), (13516, 15010)]