319615000

素因数分解:

$2^3\times 5^4\times {\mathrm{97}}^1\times {\mathrm{659}}^1$

素因数の和:782

約数の個数: 80

約数和(自身を含む): 757726200

約数和(自身を除く): 438111200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 125, 194, 200, 250, 388, 485, 500, 625, 659, 776, 970, 1000, 1250, 1318, 1940, 2425, 2500, 2636, 3295, 3880, 4850, 5000, 5272, 6590, 9700, 12125, 13180, 16475, 19400, 24250, 26360, 32950, 48500, 60625, 63923, 65900, 82375, 97000, 121250, 127846, 131800, 164750, 242500, 255692, 319615, 329500, 411875, 485000, 511384, 639230, 659000, 823750, 1278460, 1598075, 1647500, 2556920, 3196150, 3295000, 6392300, 7990375, 12784600, 15980750, 31961500, 39951875, 63923000, 79903750, 159807500, 319615000]

約数ペア:

[(1, 319615000), (2, 159807500), (4, 79903750), (5, 63923000), (8, 39951875), (10, 31961500), (20, 15980750), (25, 12784600), (40, 7990375), (50, 6392300), (97, 3295000), (100, 3196150), (125, 2556920), (194, 1647500), (200, 1598075), (250, 1278460), (388, 823750), (485, 659000), (500, 639230), (625, 511384), (659, 485000), (776, 411875), (970, 329500), (1000, 319615), (1250, 255692), (1318, 242500), (1940, 164750), (2425, 131800), (2500, 127846), (2636, 121250), (3295, 97000), (3880, 82375), (4850, 65900), (5000, 63923), (5272, 60625), (6590, 48500), (9700, 32950), (12125, 26360), (13180, 24250), (16475, 19400)]