393501040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{3251}}^1$

素因数の和:3370

約数の個数: 80

約数和(自身を含む): 979892640

約数和(自身を除く): 586391600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 89, 136, 170, 178, 272, 340, 356, 445, 680, 712, 890, 1360, 1424, 1513, 1780, 3026, 3251, 3560, 6052, 6502, 7120, 7565, 12104, 13004, 15130, 16255, 24208, 26008, 30260, 32510, 52016, 55267, 60520, 65020, 110534, 121040, 130040, 221068, 260080, 276335, 289339, 442136, 552670, 578678, 884272, 1105340, 1157356, 1446695, 2210680, 2314712, 2893390, 4421360, 4629424, 4918763, 5786780, 9837526, 11573560, 19675052, 23147120, 24593815, 39350104, 49187630, 78700208, 98375260, 196750520, 393501040]

約数ペア:

[(1, 393501040), (2, 196750520), (4, 98375260), (5, 78700208), (8, 49187630), (10, 39350104), (16, 24593815), (17, 23147120), (20, 19675052), (34, 11573560), (40, 9837526), (68, 5786780), (80, 4918763), (85, 4629424), (89, 4421360), (136, 2893390), (170, 2314712), (178, 2210680), (272, 1446695), (340, 1157356), (356, 1105340), (445, 884272), (680, 578678), (712, 552670), (890, 442136), (1360, 289339), (1424, 276335), (1513, 260080), (1780, 221068), (3026, 130040), (3251, 121040), (3560, 110534), (6052, 65020), (6502, 60520), (7120, 55267), (7565, 52016), (12104, 32510), (13004, 30260), (15130, 26008), (16255, 24208)]