404866980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{321323}}^1$

素因数の和:321345

約数の個数: 72

約数和(自身を含む): 1403543232

約数和(自身を除く): 998676252

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 321323, 642646, 963969, 1285292, 1606615, 1927938, 2249261, 2891907, 3213230, 3855876, 4498522, 4819845, 5783814, 6426460, 6747783, 8997044, 9639690, 11246305, 11567628, 13495566, 14459535, 19279380, 20243349, 22492610, 26991132, 28919070, 33738915, 40486698, 44985220, 57838140, 67477830, 80973396, 101216745, 134955660, 202433490, 404866980]

約数ペア:

[(1, 404866980), (2, 202433490), (3, 134955660), (4, 101216745), (5, 80973396), (6, 67477830), (7, 57838140), (9, 44985220), (10, 40486698), (12, 33738915), (14, 28919070), (15, 26991132), (18, 22492610), (20, 20243349), (21, 19279380), (28, 14459535), (30, 13495566), (35, 11567628), (36, 11246305), (42, 9639690), (45, 8997044), (60, 6747783), (63, 6426460), (70, 5783814), (84, 4819845), (90, 4498522), (105, 3855876), (126, 3213230), (140, 2891907), (180, 2249261), (210, 1927938), (252, 1606615), (315, 1285292), (420, 963969), (630, 642646), (1260, 321323)]