248996940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{401}}^1$

素因数の和:623

約数の個数: 96

約数和(自身を含む): 713180160

約数和(自身を除く): 464183220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 131, 158, 237, 262, 316, 393, 395, 401, 474, 524, 655, 786, 790, 802, 948, 1185, 1203, 1310, 1572, 1580, 1604, 1965, 2005, 2370, 2406, 2620, 3930, 4010, 4740, 4812, 6015, 7860, 8020, 10349, 12030, 20698, 24060, 31047, 31679, 41396, 51745, 52531, 62094, 63358, 95037, 103490, 105062, 124188, 126716, 155235, 157593, 158395, 190074, 206980, 210124, 262655, 310470, 315186, 316790, 380148, 475185, 525310, 620940, 630372, 633580, 787965, 950370, 1050620, 1575930, 1900740, 3151860, 4149949, 8299898, 12449847, 16599796, 20749745, 24899694, 41499490, 49799388, 62249235, 82998980, 124498470, 248996940]

約数ペア:

[(1, 248996940), (2, 124498470), (3, 82998980), (4, 62249235), (5, 49799388), (6, 41499490), (10, 24899694), (12, 20749745), (15, 16599796), (20, 12449847), (30, 8299898), (60, 4149949), (79, 3151860), (131, 1900740), (158, 1575930), (237, 1050620), (262, 950370), (316, 787965), (393, 633580), (395, 630372), (401, 620940), (474, 525310), (524, 475185), (655, 380148), (786, 316790), (790, 315186), (802, 310470), (948, 262655), (1185, 210124), (1203, 206980), (1310, 190074), (1572, 158395), (1580, 157593), (1604, 155235), (1965, 126716), (2005, 124188), (2370, 105062), (2406, 103490), (2620, 95037), (3930, 63358), (4010, 62094), (4740, 52531), (4812, 51745), (6015, 41396), (7860, 31679), (8020, 31047), (10349, 24060), (12030, 20698)]