221027200

素因数分解:

$2^7\times 5^2\times {\mathrm{17}}^2\times {\mathrm{239}}^1$

素因数の和:297

約数の個数: 144

約数和(自身を含む): 582440400

約数和(自身を除く): 361413200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 128, 136, 160, 170, 200, 239, 272, 289, 320, 340, 400, 425, 478, 544, 578, 640, 680, 800, 850, 956, 1088, 1156, 1195, 1360, 1445, 1600, 1700, 1912, 2176, 2312, 2390, 2720, 2890, 3200, 3400, 3824, 4063, 4624, 4780, 5440, 5780, 5975, 6800, 7225, 7648, 8126, 9248, 9560, 10880, 11560, 11950, 13600, 14450, 15296, 16252, 18496, 19120, 20315, 23120, 23900, 27200, 28900, 30592, 32504, 36992, 38240, 40630, 46240, 47800, 54400, 57800, 65008, 69071, 76480, 81260, 92480, 95600, 101575, 115600, 130016, 138142, 152960, 162520, 184960, 191200, 203150, 231200, 260032, 276284, 325040, 345355, 382400, 406300, 462400, 520064, 552568, 650080, 690710, 764800, 812600, 924800, 1105136, 1300160, 1381420, 1625200, 1726775, 2210272, 2600320, 2762840, 3250400, 3453550, 4420544, 5525680, 6500800, 6907100, 8841088, 11051360, 13001600, 13814200, 22102720, 27628400, 44205440, 55256800, 110513600, 221027200]

約数ペア:

[(1, 221027200), (2, 110513600), (4, 55256800), (5, 44205440), (8, 27628400), (10, 22102720), (16, 13814200), (17, 13001600), (20, 11051360), (25, 8841088), (32, 6907100), (34, 6500800), (40, 5525680), (50, 4420544), (64, 3453550), (68, 3250400), (80, 2762840), (85, 2600320), (100, 2210272), (128, 1726775), (136, 1625200), (160, 1381420), (170, 1300160), (200, 1105136), (239, 924800), (272, 812600), (289, 764800), (320, 690710), (340, 650080), (400, 552568), (425, 520064), (478, 462400), (544, 406300), (578, 382400), (640, 345355), (680, 325040), (800, 276284), (850, 260032), (956, 231200), (1088, 203150), (1156, 191200), (1195, 184960), (1360, 162520), (1445, 152960), (1600, 138142), (1700, 130016), (1912, 115600), (2176, 101575), (2312, 95600), (2390, 92480), (2720, 81260), (2890, 76480), (3200, 69071), (3400, 65008), (3824, 57800), (4063, 54400), (4624, 47800), (4780, 46240), (5440, 40630), (5780, 38240), (5975, 36992), (6800, 32504), (7225, 30592), (7648, 28900), (8126, 27200), (9248, 23900), (9560, 23120), (10880, 20315), (11560, 19120), (11950, 18496), (13600, 16252), (14450, 15296)]