251128201900

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{1097}}^1\times {\mathrm{61871}}^1$

素因数の和:63019

約数の個数: 72

約数和(自身を含む): 560195770176

約数和(自身を除く): 309067568276

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 148, 185, 370, 740, 925, 1097, 1850, 2194, 3700, 4388, 5485, 10970, 21940, 27425, 40589, 54850, 61871, 81178, 109700, 123742, 162356, 202945, 247484, 309355, 405890, 618710, 811780, 1014725, 1237420, 1546775, 2029450, 2289227, 3093550, 4058900, 4578454, 6187100, 9156908, 11446135, 22892270, 45784540, 57230675, 67872487, 114461350, 135744974, 228922700, 271489948, 339362435, 678724870, 1357449740, 1696812175, 2511282019, 3393624350, 5022564038, 6787248700, 10045128076, 12556410095, 25112820190, 50225640380, 62782050475, 125564100950, 251128201900]

約数ペア:

[(1, 251128201900), (2, 125564100950), (4, 62782050475), (5, 50225640380), (10, 25112820190), (20, 12556410095), (25, 10045128076), (37, 6787248700), (50, 5022564038), (74, 3393624350), (100, 2511282019), (148, 1696812175), (185, 1357449740), (370, 678724870), (740, 339362435), (925, 271489948), (1097, 228922700), (1850, 135744974), (2194, 114461350), (3700, 67872487), (4388, 57230675), (5485, 45784540), (10970, 22892270), (21940, 11446135), (27425, 9156908), (40589, 6187100), (54850, 4578454), (61871, 4058900), (81178, 3093550), (109700, 2289227), (123742, 2029450), (162356, 1546775), (202945, 1237420), (247484, 1014725), (309355, 811780), (405890, 618710)]