391285240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{6203}}^1$

素因数の和:6316

約数の個数: 64

約数和(自身を含む): 938044800

約数和(自身を除く): 546759560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 83, 95, 152, 166, 190, 332, 380, 415, 664, 760, 830, 1577, 1660, 3154, 3320, 6203, 6308, 7885, 12406, 12616, 15770, 24812, 31015, 31540, 49624, 62030, 63080, 117857, 124060, 235714, 248120, 471428, 514849, 589285, 942856, 1029698, 1178570, 2059396, 2357140, 2574245, 4118792, 4714280, 5148490, 9782131, 10296980, 19564262, 20593960, 39128524, 48910655, 78257048, 97821310, 195642620, 391285240]

約数ペア:

[(1, 391285240), (2, 195642620), (4, 97821310), (5, 78257048), (8, 48910655), (10, 39128524), (19, 20593960), (20, 19564262), (38, 10296980), (40, 9782131), (76, 5148490), (83, 4714280), (95, 4118792), (152, 2574245), (166, 2357140), (190, 2059396), (332, 1178570), (380, 1029698), (415, 942856), (664, 589285), (760, 514849), (830, 471428), (1577, 248120), (1660, 235714), (3154, 124060), (3320, 117857), (6203, 63080), (6308, 62030), (7885, 49624), (12406, 31540), (12616, 31015), (15770, 24812)]