253898580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1997}}^1$

素因数の和:2185

約数の個数: 96

約数和(自身を含む): 770684544

約数和(自身を除く): 516785964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 163, 195, 260, 326, 390, 489, 652, 780, 815, 978, 1630, 1956, 1997, 2119, 2445, 3260, 3994, 4238, 4890, 5991, 6357, 7988, 8476, 9780, 9985, 10595, 11982, 12714, 19970, 21190, 23964, 25428, 25961, 29955, 31785, 39940, 42380, 51922, 59910, 63570, 77883, 103844, 119820, 127140, 129805, 155766, 259610, 311532, 325511, 389415, 519220, 651022, 778830, 976533, 1302044, 1557660, 1627555, 1953066, 3255110, 3906132, 4231643, 4882665, 6510220, 8463286, 9765330, 12694929, 16926572, 19530660, 21158215, 25389858, 42316430, 50779716, 63474645, 84632860, 126949290, 253898580]

約数ペア:

[(1, 253898580), (2, 126949290), (3, 84632860), (4, 63474645), (5, 50779716), (6, 42316430), (10, 25389858), (12, 21158215), (13, 19530660), (15, 16926572), (20, 12694929), (26, 9765330), (30, 8463286), (39, 6510220), (52, 4882665), (60, 4231643), (65, 3906132), (78, 3255110), (130, 1953066), (156, 1627555), (163, 1557660), (195, 1302044), (260, 976533), (326, 778830), (390, 651022), (489, 519220), (652, 389415), (780, 325511), (815, 311532), (978, 259610), (1630, 155766), (1956, 129805), (1997, 127140), (2119, 119820), (2445, 103844), (3260, 77883), (3994, 63570), (4238, 59910), (4890, 51922), (5991, 42380), (6357, 39940), (7988, 31785), (8476, 29955), (9780, 25961), (9985, 25428), (10595, 23964), (11982, 21190), (12714, 19970)]