204316970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:492

約数の個数: 96

約数和(自身を含む): 450455040

約数和(自身を除く): 246138070

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 31, 55, 62, 65, 110, 121, 130, 143, 155, 242, 286, 310, 341, 403, 419, 605, 682, 715, 806, 838, 1210, 1430, 1573, 1705, 2015, 2095, 3146, 3410, 3751, 4030, 4190, 4433, 4609, 5447, 7502, 7865, 8866, 9218, 10894, 12989, 15730, 18755, 22165, 23045, 25978, 27235, 37510, 44330, 46090, 48763, 50699, 54470, 59917, 64945, 97526, 101398, 119834, 129890, 142879, 168857, 243815, 253495, 285758, 299585, 337714, 487630, 506990, 599170, 659087, 714395, 844285, 1318174, 1428790, 1571669, 1688570, 1857427, 3143338, 3295435, 3714854, 6590870, 7858345, 9287135, 15716690, 18574270, 20431697, 40863394, 102158485, 204316970]

約数ペア:

[(1, 204316970), (2, 102158485), (5, 40863394), (10, 20431697), (11, 18574270), (13, 15716690), (22, 9287135), (26, 7858345), (31, 6590870), (55, 3714854), (62, 3295435), (65, 3143338), (110, 1857427), (121, 1688570), (130, 1571669), (143, 1428790), (155, 1318174), (242, 844285), (286, 714395), (310, 659087), (341, 599170), (403, 506990), (419, 487630), (605, 337714), (682, 299585), (715, 285758), (806, 253495), (838, 243815), (1210, 168857), (1430, 142879), (1573, 129890), (1705, 119834), (2015, 101398), (2095, 97526), (3146, 64945), (3410, 59917), (3751, 54470), (4030, 50699), (4190, 48763), (4433, 46090), (4609, 44330), (5447, 37510), (7502, 27235), (7865, 25978), (8866, 23045), (9218, 22165), (10894, 18755), (12989, 15730)]