18958400

素因数分解:

$2^6\times 5^2\times {\mathrm{17}}^2\times {\mathrm{41}}^1$

素因数の和:97

約数の個数: 126

約数和(自身を含む): 50763678

約数和(自身を除く): 31805278

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 41, 50, 64, 68, 80, 82, 85, 100, 136, 160, 164, 170, 200, 205, 272, 289, 320, 328, 340, 400, 410, 425, 544, 578, 656, 680, 697, 800, 820, 850, 1025, 1088, 1156, 1312, 1360, 1394, 1445, 1600, 1640, 1700, 2050, 2312, 2624, 2720, 2788, 2890, 3280, 3400, 3485, 4100, 4624, 5440, 5576, 5780, 6560, 6800, 6970, 7225, 8200, 9248, 11152, 11560, 11849, 13120, 13600, 13940, 14450, 16400, 17425, 18496, 22304, 23120, 23698, 27200, 27880, 28900, 32800, 34850, 44608, 46240, 47396, 55760, 57800, 59245, 65600, 69700, 92480, 94792, 111520, 115600, 118490, 139400, 189584, 223040, 231200, 236980, 278800, 296225, 379168, 462400, 473960, 557600, 592450, 758336, 947920, 1115200, 1184900, 1895840, 2369800, 3791680, 4739600, 9479200, 18958400]

約数ペア:

[(1, 18958400), (2, 9479200), (4, 4739600), (5, 3791680), (8, 2369800), (10, 1895840), (16, 1184900), (17, 1115200), (20, 947920), (25, 758336), (32, 592450), (34, 557600), (40, 473960), (41, 462400), (50, 379168), (64, 296225), (68, 278800), (80, 236980), (82, 231200), (85, 223040), (100, 189584), (136, 139400), (160, 118490), (164, 115600), (170, 111520), (200, 94792), (205, 92480), (272, 69700), (289, 65600), (320, 59245), (328, 57800), (340, 55760), (400, 47396), (410, 46240), (425, 44608), (544, 34850), (578, 32800), (656, 28900), (680, 27880), (697, 27200), (800, 23698), (820, 23120), (850, 22304), (1025, 18496), (1088, 17425), (1156, 16400), (1312, 14450), (1360, 13940), (1394, 13600), (1445, 13120), (1600, 11849), (1640, 11560), (1700, 11152), (2050, 9248), (2312, 8200), (2624, 7225), (2720, 6970), (2788, 6800), (2890, 6560), (3280, 5780), (3400, 5576), (3485, 5440), (4100, 4624)]