7888979420

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{31081}}^1$

素因数の和:31148

約数の個数: 96

約数和(自身を含む): 19842748800

約数和(自身を除く): 11953769380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 343, 370, 490, 518, 686, 740, 980, 1036, 1295, 1372, 1715, 1813, 2590, 3430, 3626, 5180, 6860, 7252, 9065, 12691, 18130, 25382, 31081, 36260, 50764, 62162, 63455, 124324, 126910, 155405, 217567, 253820, 310810, 435134, 621620, 870268, 1087835, 1149997, 1522969, 2175670, 2299994, 3045938, 4351340, 4599988, 5749985, 6091876, 7614845, 8049979, 10660783, 11499970, 15229690, 16099958, 21321566, 22999940, 30459380, 32199916, 40249895, 42643132, 53303915, 56349853, 80499790, 106607830, 112699706, 160999580, 213215660, 225399412, 281749265, 394448971, 563498530, 788897942, 1126997060, 1577795884, 1972244855, 3944489710, 7888979420]

約数ペア:

[(1, 7888979420), (2, 3944489710), (4, 1972244855), (5, 1577795884), (7, 1126997060), (10, 788897942), (14, 563498530), (20, 394448971), (28, 281749265), (35, 225399412), (37, 213215660), (49, 160999580), (70, 112699706), (74, 106607830), (98, 80499790), (140, 56349853), (148, 53303915), (185, 42643132), (196, 40249895), (245, 32199916), (259, 30459380), (343, 22999940), (370, 21321566), (490, 16099958), (518, 15229690), (686, 11499970), (740, 10660783), (980, 8049979), (1036, 7614845), (1295, 6091876), (1372, 5749985), (1715, 4599988), (1813, 4351340), (2590, 3045938), (3430, 2299994), (3626, 2175670), (5180, 1522969), (6860, 1149997), (7252, 1087835), (9065, 870268), (12691, 621620), (18130, 435134), (25382, 310810), (31081, 253820), (36260, 217567), (50764, 155405), (62162, 126910), (63455, 124324)]