189670400

素因数分解:

$2^{10}\times 5^2\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:300

約数の個数: 132

約数和(自身を含む): 487349760

約数和(自身を除く): 297679360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 239, 248, 256, 310, 320, 400, 478, 496, 512, 620, 640, 775, 800, 956, 992, 1024, 1195, 1240, 1280, 1550, 1600, 1912, 1984, 2390, 2480, 2560, 3100, 3200, 3824, 3968, 4780, 4960, 5120, 5975, 6200, 6400, 7409, 7648, 7936, 9560, 9920, 11950, 12400, 12800, 14818, 15296, 15872, 19120, 19840, 23900, 24800, 25600, 29636, 30592, 31744, 37045, 38240, 39680, 47800, 49600, 59272, 61184, 74090, 76480, 79360, 95600, 99200, 118544, 122368, 148180, 152960, 158720, 185225, 191200, 198400, 237088, 244736, 296360, 305920, 370450, 382400, 396800, 474176, 592720, 611840, 740900, 764800, 793600, 948352, 1185440, 1223680, 1481800, 1529600, 1896704, 2370880, 2963600, 3059200, 3793408, 4741760, 5927200, 6118400, 7586816, 9483520, 11854400, 18967040, 23708800, 37934080, 47417600, 94835200, 189670400]

約数ペア:

[(1, 189670400), (2, 94835200), (4, 47417600), (5, 37934080), (8, 23708800), (10, 18967040), (16, 11854400), (20, 9483520), (25, 7586816), (31, 6118400), (32, 5927200), (40, 4741760), (50, 3793408), (62, 3059200), (64, 2963600), (80, 2370880), (100, 1896704), (124, 1529600), (128, 1481800), (155, 1223680), (160, 1185440), (200, 948352), (239, 793600), (248, 764800), (256, 740900), (310, 611840), (320, 592720), (400, 474176), (478, 396800), (496, 382400), (512, 370450), (620, 305920), (640, 296360), (775, 244736), (800, 237088), (956, 198400), (992, 191200), (1024, 185225), (1195, 158720), (1240, 152960), (1280, 148180), (1550, 122368), (1600, 118544), (1912, 99200), (1984, 95600), (2390, 79360), (2480, 76480), (2560, 74090), (3100, 61184), (3200, 59272), (3824, 49600), (3968, 47800), (4780, 39680), (4960, 38240), (5120, 37045), (5975, 31744), (6200, 30592), (6400, 29636), (7409, 25600), (7648, 24800), (7936, 23900), (9560, 19840), (9920, 19120), (11950, 15872), (12400, 15296), (12800, 14818)]