30116380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:491

約数の個数: 72

約数和(自身を含む): 74692800

約数和(自身を除く): 44576420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 98, 140, 158, 196, 245, 316, 389, 395, 490, 553, 778, 790, 980, 1106, 1556, 1580, 1945, 2212, 2723, 2765, 3871, 3890, 5446, 5530, 7742, 7780, 10892, 11060, 13615, 15484, 19061, 19355, 27230, 30731, 38122, 38710, 54460, 61462, 76244, 77420, 95305, 122924, 153655, 190610, 215117, 307310, 381220, 430234, 614620, 860468, 1075585, 1505819, 2151170, 3011638, 4302340, 6023276, 7529095, 15058190, 30116380]

約数ペア:

[(1, 30116380), (2, 15058190), (4, 7529095), (5, 6023276), (7, 4302340), (10, 3011638), (14, 2151170), (20, 1505819), (28, 1075585), (35, 860468), (49, 614620), (70, 430234), (79, 381220), (98, 307310), (140, 215117), (158, 190610), (196, 153655), (245, 122924), (316, 95305), (389, 77420), (395, 76244), (490, 61462), (553, 54460), (778, 38710), (790, 38122), (980, 30731), (1106, 27230), (1556, 19355), (1580, 19061), (1945, 15484), (2212, 13615), (2723, 11060), (2765, 10892), (3871, 7780), (3890, 7742), (5446, 5530)]