91871600

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^2\times {\mathrm{239}}^1$

素因数の和:319

約数の個数: 90

約数和(自身を含む): 229025520

約数和(自身を除く): 137153920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 239, 248, 310, 400, 478, 496, 620, 775, 956, 961, 1195, 1240, 1550, 1912, 1922, 2390, 2480, 3100, 3824, 3844, 4780, 4805, 5975, 6200, 7409, 7688, 9560, 9610, 11950, 12400, 14818, 15376, 19120, 19220, 23900, 24025, 29636, 37045, 38440, 47800, 48050, 59272, 74090, 76880, 95600, 96100, 118544, 148180, 185225, 192200, 229679, 296360, 370450, 384400, 459358, 592720, 740900, 918716, 1148395, 1481800, 1837432, 2296790, 2963600, 3674864, 4593580, 5741975, 9187160, 11483950, 18374320, 22967900, 45935800, 91871600]

約数ペア:

[(1, 91871600), (2, 45935800), (4, 22967900), (5, 18374320), (8, 11483950), (10, 9187160), (16, 5741975), (20, 4593580), (25, 3674864), (31, 2963600), (40, 2296790), (50, 1837432), (62, 1481800), (80, 1148395), (100, 918716), (124, 740900), (155, 592720), (200, 459358), (239, 384400), (248, 370450), (310, 296360), (400, 229679), (478, 192200), (496, 185225), (620, 148180), (775, 118544), (956, 96100), (961, 95600), (1195, 76880), (1240, 74090), (1550, 59272), (1912, 48050), (1922, 47800), (2390, 38440), (2480, 37045), (3100, 29636), (3824, 24025), (3844, 23900), (4780, 19220), (4805, 19120), (5975, 15376), (6200, 14818), (7409, 12400), (7688, 11950), (9560, 9610)]