203989120

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18749}}^1$

素因数の和:18785

約数の個数: 64

約数和(自身を含む): 516375000

約数和(自身を除く): 312385880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 5440, 10880, 18749, 37498, 74996, 93745, 149992, 187490, 299984, 318733, 374980, 599968, 637466, 749960, 1199936, 1274932, 1499920, 1593665, 2399872, 2549864, 2999840, 3187330, 5099728, 5999680, 6374660, 10199456, 11999360, 12749320, 20398912, 25498640, 40797824, 50997280, 101994560, 203989120]

約数ペア:

[(1, 203989120), (2, 101994560), (4, 50997280), (5, 40797824), (8, 25498640), (10, 20398912), (16, 12749320), (17, 11999360), (20, 10199456), (32, 6374660), (34, 5999680), (40, 5099728), (64, 3187330), (68, 2999840), (80, 2549864), (85, 2399872), (128, 1593665), (136, 1499920), (160, 1274932), (170, 1199936), (272, 749960), (320, 637466), (340, 599968), (544, 374980), (640, 318733), (680, 299984), (1088, 187490), (1360, 149992), (2176, 93745), (2720, 74996), (5440, 37498), (10880, 18749)]