216458500

素因数分解:

$2^2\times 5^3\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:278

約数の個数: 96

約数和(自身を含む): 493968384

約数和(自身を除く): 277509884

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 61, 94, 100, 122, 125, 151, 188, 235, 244, 250, 302, 305, 470, 500, 604, 610, 755, 940, 1175, 1220, 1510, 1525, 2350, 2867, 3020, 3050, 3775, 4700, 5734, 5875, 6100, 7097, 7550, 7625, 9211, 11468, 11750, 14194, 14335, 15100, 15250, 18422, 18875, 23500, 28388, 28670, 30500, 35485, 36844, 37750, 46055, 57340, 70970, 71675, 75500, 92110, 141940, 143350, 177425, 184220, 230275, 286700, 354850, 358375, 432917, 460550, 709700, 716750, 865834, 887125, 921100, 1151375, 1433500, 1731668, 1774250, 2164585, 2302750, 3548500, 4329170, 4605500, 8658340, 10822925, 21645850, 43291700, 54114625, 108229250, 216458500]

約数ペア:

[(1, 216458500), (2, 108229250), (4, 54114625), (5, 43291700), (10, 21645850), (20, 10822925), (25, 8658340), (47, 4605500), (50, 4329170), (61, 3548500), (94, 2302750), (100, 2164585), (122, 1774250), (125, 1731668), (151, 1433500), (188, 1151375), (235, 921100), (244, 887125), (250, 865834), (302, 716750), (305, 709700), (470, 460550), (500, 432917), (604, 358375), (610, 354850), (755, 286700), (940, 230275), (1175, 184220), (1220, 177425), (1510, 143350), (1525, 141940), (2350, 92110), (2867, 75500), (3020, 71675), (3050, 70970), (3775, 57340), (4700, 46055), (5734, 37750), (5875, 36844), (6100, 35485), (7097, 30500), (7550, 28670), (7625, 28388), (9211, 23500), (11468, 18875), (11750, 18422), (14194, 15250), (14335, 15100)]