2740400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:79

約数の個数: 120

約数和(自身を含む): 7749504

約数和(自身を除く): 5009104

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 25, 26, 31, 34, 40, 50, 52, 62, 65, 68, 80, 85, 100, 104, 124, 130, 136, 155, 170, 200, 208, 221, 248, 260, 272, 310, 325, 340, 400, 403, 425, 442, 496, 520, 527, 620, 650, 680, 775, 806, 850, 884, 1040, 1054, 1105, 1240, 1300, 1360, 1550, 1612, 1700, 1768, 2015, 2108, 2210, 2480, 2600, 2635, 3100, 3224, 3400, 3536, 4030, 4216, 4420, 5200, 5270, 5525, 6200, 6448, 6800, 6851, 8060, 8432, 8840, 10075, 10540, 11050, 12400, 13175, 13702, 16120, 17680, 20150, 21080, 22100, 26350, 27404, 32240, 34255, 40300, 42160, 44200, 52700, 54808, 68510, 80600, 88400, 105400, 109616, 137020, 161200, 171275, 210800, 274040, 342550, 548080, 685100, 1370200, 2740400]

約数ペア:

[(1, 2740400), (2, 1370200), (4, 685100), (5, 548080), (8, 342550), (10, 274040), (13, 210800), (16, 171275), (17, 161200), (20, 137020), (25, 109616), (26, 105400), (31, 88400), (34, 80600), (40, 68510), (50, 54808), (52, 52700), (62, 44200), (65, 42160), (68, 40300), (80, 34255), (85, 32240), (100, 27404), (104, 26350), (124, 22100), (130, 21080), (136, 20150), (155, 17680), (170, 16120), (200, 13702), (208, 13175), (221, 12400), (248, 11050), (260, 10540), (272, 10075), (310, 8840), (325, 8432), (340, 8060), (400, 6851), (403, 6800), (425, 6448), (442, 6200), (496, 5525), (520, 5270), (527, 5200), (620, 4420), (650, 4216), (680, 4030), (775, 3536), (806, 3400), (850, 3224), (884, 3100), (1040, 2635), (1054, 2600), (1105, 2480), (1240, 2210), (1300, 2108), (1360, 2015), (1550, 1768), (1612, 1700)]