415051220

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1\times {\mathrm{863}}^1$

素因数の和:1184

約数の個数: 48

約数和(自身を含む): 883975680

約数和(自身を除く): 468924460

約数列:

[1, 2, 4, 5, 10, 20, 139, 173, 278, 346, 556, 692, 695, 863, 865, 1390, 1726, 1730, 2780, 3452, 3460, 4315, 8630, 17260, 24047, 48094, 96188, 119957, 120235, 149299, 239914, 240470, 298598, 479828, 480940, 597196, 599785, 746495, 1199570, 1492990, 2399140, 2985980, 20752561, 41505122, 83010244, 103762805, 207525610, 415051220]

約数ペア:

[(1, 415051220), (2, 207525610), (4, 103762805), (5, 83010244), (10, 41505122), (20, 20752561), (139, 2985980), (173, 2399140), (278, 1492990), (346, 1199570), (556, 746495), (692, 599785), (695, 597196), (863, 480940), (865, 479828), (1390, 298598), (1726, 240470), (1730, 239914), (2780, 149299), (3452, 120235), (3460, 119957), (4315, 96188), (8630, 48094), (17260, 24047)]