858459940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89237}}^1$

素因数の和:89296

約数の個数: 48

約数和(自身を含む): 1993933872

約数和(自身を除く): 1135473932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 9620, 89237, 178474, 356948, 446185, 892370, 1160081, 1784740, 2320162, 3301769, 4640324, 5800405, 6603538, 11600810, 13207076, 16508845, 23201620, 33017690, 42922997, 66035380, 85845994, 171691988, 214614985, 429229970, 858459940]

約数ペア:

[(1, 858459940), (2, 429229970), (4, 214614985), (5, 171691988), (10, 85845994), (13, 66035380), (20, 42922997), (26, 33017690), (37, 23201620), (52, 16508845), (65, 13207076), (74, 11600810), (130, 6603538), (148, 5800405), (185, 4640324), (260, 3301769), (370, 2320162), (481, 1784740), (740, 1160081), (962, 892370), (1924, 446185), (2405, 356948), (4810, 178474), (9620, 89237)]