21777881788900

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{27895327}}^1$

素因数の和:27895589

約数の個数: 72

約数和(自身を含む): 48765273433856

約数和(自身を除く): 26987391644956

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 148, 185, 211, 370, 422, 740, 844, 925, 1055, 1850, 2110, 3700, 4220, 5275, 7807, 10550, 15614, 21100, 31228, 39035, 78070, 156140, 195175, 390350, 780700, 27895327, 55790654, 111581308, 139476635, 278953270, 557906540, 697383175, 1032127099, 1394766350, 2064254198, 2789532700, 4128508396, 5160635495, 5885913997, 10321270990, 11771827994, 20642541980, 23543655988, 25803177475, 29429569985, 51606354950, 58859139970, 103212709900, 117718279940, 147147849925, 217778817889, 294295699850, 435557635778, 588591399700, 871115271556, 1088894089445, 2177788178890, 4355576357780, 5444470447225, 10888940894450, 21777881788900]

約数ペア:

[(1, 21777881788900), (2, 10888940894450), (4, 5444470447225), (5, 4355576357780), (10, 2177788178890), (20, 1088894089445), (25, 871115271556), (37, 588591399700), (50, 435557635778), (74, 294295699850), (100, 217778817889), (148, 147147849925), (185, 117718279940), (211, 103212709900), (370, 58859139970), (422, 51606354950), (740, 29429569985), (844, 25803177475), (925, 23543655988), (1055, 20642541980), (1850, 11771827994), (2110, 10321270990), (3700, 5885913997), (4220, 5160635495), (5275, 4128508396), (7807, 2789532700), (10550, 2064254198), (15614, 1394766350), (21100, 1032127099), (31228, 697383175), (39035, 557906540), (78070, 278953270), (156140, 139476635), (195175, 111581308), (390350, 55790654), (780700, 27895327)]