71621830

素因数分解:

$2^1\times 5^1\times 7^4\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:211

約数の個数: 80

約数和(自身を含む): 159320880

約数和(自身を除く): 87699050

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 157, 190, 245, 266, 314, 343, 490, 665, 686, 785, 931, 1099, 1330, 1570, 1715, 1862, 2198, 2401, 2983, 3430, 4655, 4802, 5495, 5966, 6517, 7693, 9310, 10990, 12005, 13034, 14915, 15386, 20881, 24010, 29830, 32585, 38465, 41762, 45619, 53851, 65170, 76930, 91238, 104405, 107702, 146167, 208810, 228095, 269255, 292334, 376957, 456190, 538510, 730835, 753914, 1023169, 1461670, 1884785, 2046338, 3769570, 5115845, 7162183, 10231690, 14324366, 35810915, 71621830]

約数ペア:

[(1, 71621830), (2, 35810915), (5, 14324366), (7, 10231690), (10, 7162183), (14, 5115845), (19, 3769570), (35, 2046338), (38, 1884785), (49, 1461670), (70, 1023169), (95, 753914), (98, 730835), (133, 538510), (157, 456190), (190, 376957), (245, 292334), (266, 269255), (314, 228095), (343, 208810), (490, 146167), (665, 107702), (686, 104405), (785, 91238), (931, 76930), (1099, 65170), (1330, 53851), (1570, 45619), (1715, 41762), (1862, 38465), (2198, 32585), (2401, 29830), (2983, 24010), (3430, 20881), (4655, 15386), (4802, 14915), (5495, 13034), (5966, 12005), (6517, 10990), (7693, 9310)]