2000308380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{680377}}^1$

素因数の和:680403

約数の個数: 72

約数和(自身を含む): 6515299728

約数和(自身を除く): 4514991348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 680377, 1360754, 2041131, 2721508, 3401885, 4082262, 4762639, 6803770, 8164524, 9525278, 10205655, 13607540, 14287917, 19050556, 20411310, 23813195, 28575834, 33338473, 40822620, 47626390, 57151668, 66676946, 71439585, 95252780, 100015419, 133353892, 142879170, 166692365, 200030838, 285758340, 333384730, 400061676, 500077095, 666769460, 1000154190, 2000308380]

約数ペア:

[(1, 2000308380), (2, 1000154190), (3, 666769460), (4, 500077095), (5, 400061676), (6, 333384730), (7, 285758340), (10, 200030838), (12, 166692365), (14, 142879170), (15, 133353892), (20, 100015419), (21, 95252780), (28, 71439585), (30, 66676946), (35, 57151668), (42, 47626390), (49, 40822620), (60, 33338473), (70, 28575834), (84, 23813195), (98, 20411310), (105, 19050556), (140, 14287917), (147, 13607540), (196, 10205655), (210, 9525278), (245, 8164524), (294, 6803770), (420, 4762639), (490, 4082262), (588, 3401885), (735, 2721508), (980, 2041131), (1470, 1360754), (2940, 680377)]