745996810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{2027}}^1$

素因数の和:2215

約数の個数: 64

約数和(自身を含む): 1533168000

約数和(自身を除く): 787171190

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 149, 190, 247, 298, 494, 745, 1235, 1490, 1937, 2027, 2470, 2831, 3874, 4054, 5662, 9685, 10135, 14155, 19370, 20270, 26351, 28310, 36803, 38513, 52702, 73606, 77026, 131755, 184015, 192565, 263510, 302023, 368030, 385130, 500669, 604046, 1001338, 1510115, 2503345, 3020230, 3926299, 5006690, 5738437, 7852598, 11476874, 19631495, 28692185, 39262990, 57384370, 74599681, 149199362, 372998405, 745996810]

約数ペア:

[(1, 745996810), (2, 372998405), (5, 149199362), (10, 74599681), (13, 57384370), (19, 39262990), (26, 28692185), (38, 19631495), (65, 11476874), (95, 7852598), (130, 5738437), (149, 5006690), (190, 3926299), (247, 3020230), (298, 2503345), (494, 1510115), (745, 1001338), (1235, 604046), (1490, 500669), (1937, 385130), (2027, 368030), (2470, 302023), (2831, 263510), (3874, 192565), (4054, 184015), (5662, 131755), (9685, 77026), (10135, 73606), (14155, 52702), (19370, 38513), (20270, 36803), (26351, 28310)]