388683460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{2633}}^1$

素因数の和:2725

約数の個数: 72

約数和(自身を含む): 912238488

約数和(自身を除く): 523555028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 121, 122, 220, 242, 244, 305, 484, 605, 610, 671, 1210, 1220, 1342, 2420, 2633, 2684, 3355, 5266, 6710, 7381, 10532, 13165, 13420, 14762, 26330, 28963, 29524, 36905, 52660, 57926, 73810, 115852, 144815, 147620, 160613, 289630, 318593, 321226, 579260, 637186, 642452, 803065, 1274372, 1592965, 1606130, 1766743, 3185930, 3212260, 3533486, 6371860, 7066972, 8833715, 17667430, 19434173, 35334860, 38868346, 77736692, 97170865, 194341730, 388683460]

約数ペア:

[(1, 388683460), (2, 194341730), (4, 97170865), (5, 77736692), (10, 38868346), (11, 35334860), (20, 19434173), (22, 17667430), (44, 8833715), (55, 7066972), (61, 6371860), (110, 3533486), (121, 3212260), (122, 3185930), (220, 1766743), (242, 1606130), (244, 1592965), (305, 1274372), (484, 803065), (605, 642452), (610, 637186), (671, 579260), (1210, 321226), (1220, 318593), (1342, 289630), (2420, 160613), (2633, 147620), (2684, 144815), (3355, 115852), (5266, 73810), (6710, 57926), (7381, 52660), (10532, 36905), (13165, 29524), (13420, 28963), (14762, 26330)]