3750817780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{123953}}^1$

素因数の和:124068

約数の個数: 48

約数和(自身を含む): 8433830160

約数和(自身を除く): 4683012380

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 340, 356, 445, 890, 1513, 1780, 3026, 6052, 7565, 15130, 30260, 123953, 247906, 495812, 619765, 1239530, 2107201, 2479060, 4214402, 8428804, 10536005, 11031817, 21072010, 22063634, 42144020, 44127268, 55159085, 110318170, 187540889, 220636340, 375081778, 750163556, 937704445, 1875408890, 3750817780]

約数ペア:

[(1, 3750817780), (2, 1875408890), (4, 937704445), (5, 750163556), (10, 375081778), (17, 220636340), (20, 187540889), (34, 110318170), (68, 55159085), (85, 44127268), (89, 42144020), (170, 22063634), (178, 21072010), (340, 11031817), (356, 10536005), (445, 8428804), (890, 4214402), (1513, 2479060), (1780, 2107201), (3026, 1239530), (6052, 619765), (7565, 495812), (15130, 247906), (30260, 123953)]