420104940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{22807}}^1$

素因数の和:23126

約数の個数: 48

約数和(自身を含む): 1180177152

約数和(自身を除く): 760072212

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 307, 614, 921, 1228, 1535, 1842, 3070, 3684, 4605, 6140, 9210, 18420, 22807, 45614, 68421, 91228, 114035, 136842, 228070, 273684, 342105, 456140, 684210, 1368420, 7001749, 14003498, 21005247, 28006996, 35008745, 42010494, 70017490, 84020988, 105026235, 140034980, 210052470, 420104940]

約数ペア:

[(1, 420104940), (2, 210052470), (3, 140034980), (4, 105026235), (5, 84020988), (6, 70017490), (10, 42010494), (12, 35008745), (15, 28006996), (20, 21005247), (30, 14003498), (60, 7001749), (307, 1368420), (614, 684210), (921, 456140), (1228, 342105), (1535, 273684), (1842, 228070), (3070, 136842), (3684, 114035), (4605, 91228), (6140, 68421), (9210, 45614), (18420, 22807)]