127486580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:369

約数の個数: 96

約数和(自身を含む): 307359360

約数和(自身を除く): 179872780

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 131, 190, 197, 247, 260, 262, 380, 394, 494, 524, 655, 788, 985, 988, 1235, 1310, 1703, 1970, 2470, 2489, 2561, 2620, 3406, 3743, 3940, 4940, 4978, 5122, 6812, 7486, 8515, 9956, 10244, 12445, 12805, 14972, 17030, 18715, 24890, 25610, 25807, 32357, 34060, 37430, 48659, 49780, 51220, 51614, 64714, 74860, 97318, 103228, 129035, 129428, 161785, 194636, 243295, 258070, 323570, 335491, 486590, 490333, 516140, 647140, 670982, 973180, 980666, 1341964, 1677455, 1961332, 2451665, 3354910, 4903330, 6374329, 6709820, 9806660, 12748658, 25497316, 31871645, 63743290, 127486580]

約数ペア:

[(1, 127486580), (2, 63743290), (4, 31871645), (5, 25497316), (10, 12748658), (13, 9806660), (19, 6709820), (20, 6374329), (26, 4903330), (38, 3354910), (52, 2451665), (65, 1961332), (76, 1677455), (95, 1341964), (130, 980666), (131, 973180), (190, 670982), (197, 647140), (247, 516140), (260, 490333), (262, 486590), (380, 335491), (394, 323570), (494, 258070), (524, 243295), (655, 194636), (788, 161785), (985, 129428), (988, 129035), (1235, 103228), (1310, 97318), (1703, 74860), (1970, 64714), (2470, 51614), (2489, 51220), (2561, 49780), (2620, 48659), (3406, 37430), (3743, 34060), (3940, 32357), (4940, 25807), (4978, 25610), (5122, 24890), (6812, 18715), (7486, 17030), (8515, 14972), (9956, 12805), (10244, 12445)]