127994860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{997}}^1$

素因数の和:1151

約数の個数: 72

約数和(自身を含む): 315375984

約数和(自身を除く): 187381124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 131, 140, 196, 245, 262, 490, 524, 655, 917, 980, 997, 1310, 1834, 1994, 2620, 3668, 3988, 4585, 4985, 6419, 6979, 9170, 9970, 12838, 13958, 18340, 19940, 25676, 27916, 32095, 34895, 48853, 64190, 69790, 97706, 128380, 130607, 139580, 195412, 244265, 261214, 488530, 522428, 653035, 914249, 977060, 1306070, 1828498, 2612140, 3656996, 4571245, 6399743, 9142490, 12799486, 18284980, 25598972, 31998715, 63997430, 127994860]

約数ペア:

[(1, 127994860), (2, 63997430), (4, 31998715), (5, 25598972), (7, 18284980), (10, 12799486), (14, 9142490), (20, 6399743), (28, 4571245), (35, 3656996), (49, 2612140), (70, 1828498), (98, 1306070), (131, 977060), (140, 914249), (196, 653035), (245, 522428), (262, 488530), (490, 261214), (524, 244265), (655, 195412), (917, 139580), (980, 130607), (997, 128380), (1310, 97706), (1834, 69790), (1994, 64190), (2620, 48853), (3668, 34895), (3988, 32095), (4585, 27916), (4985, 25676), (6419, 19940), (6979, 18340), (9170, 13958), (9970, 12838)]