30619550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{163}}^1$

素因数の和:222

約数の個数: 72

約数和(自身を含む): 65553096

約数和(自身を除く): 34933546

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 163, 170, 221, 289, 325, 326, 425, 442, 578, 650, 815, 850, 1105, 1445, 1630, 2119, 2210, 2771, 2890, 3757, 4075, 4238, 5525, 5542, 7225, 7514, 8150, 10595, 11050, 13855, 14450, 18785, 21190, 27710, 36023, 37570, 47107, 52975, 69275, 72046, 93925, 94214, 105950, 138550, 180115, 187850, 235535, 360230, 471070, 612391, 900575, 1177675, 1224782, 1801150, 2355350, 3061955, 6123910, 15309775, 30619550]

約数ペア:

[(1, 30619550), (2, 15309775), (5, 6123910), (10, 3061955), (13, 2355350), (17, 1801150), (25, 1224782), (26, 1177675), (34, 900575), (50, 612391), (65, 471070), (85, 360230), (130, 235535), (163, 187850), (170, 180115), (221, 138550), (289, 105950), (325, 94214), (326, 93925), (425, 72046), (442, 69275), (578, 52975), (650, 47107), (815, 37570), (850, 36023), (1105, 27710), (1445, 21190), (1630, 18785), (2119, 14450), (2210, 13855), (2771, 11050), (2890, 10595), (3757, 8150), (4075, 7514), (4238, 7225), (5525, 5542)]