28553200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:84

約数の個数: 180

約数和(自身を含む): 82607560

約数和(自身を除く): 54054360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 19, 20, 25, 26, 34, 38, 40, 50, 52, 65, 68, 76, 80, 85, 95, 100, 104, 130, 136, 152, 170, 190, 200, 208, 221, 247, 260, 272, 289, 304, 323, 325, 340, 380, 400, 425, 442, 475, 494, 520, 578, 646, 650, 680, 760, 850, 884, 950, 988, 1040, 1105, 1156, 1235, 1292, 1300, 1360, 1445, 1520, 1615, 1700, 1768, 1900, 1976, 2210, 2312, 2470, 2584, 2600, 2890, 3230, 3400, 3536, 3757, 3800, 3952, 4199, 4420, 4624, 4940, 5168, 5200, 5491, 5525, 5780, 6175, 6460, 6800, 7225, 7514, 7600, 8075, 8398, 8840, 9880, 10982, 11050, 11560, 12350, 12920, 14450, 15028, 16150, 16796, 17680, 18785, 19760, 20995, 21964, 22100, 23120, 24700, 25840, 27455, 28900, 30056, 32300, 33592, 37570, 41990, 43928, 44200, 49400, 54910, 57800, 60112, 64600, 67184, 71383, 75140, 83980, 87856, 88400, 93925, 98800, 104975, 109820, 115600, 129200, 137275, 142766, 150280, 167960, 187850, 209950, 219640, 274550, 285532, 300560, 335920, 356915, 375700, 419900, 439280, 549100, 571064, 713830, 751400, 839800, 1098200, 1142128, 1427660, 1502800, 1679600, 1784575, 2196400, 2855320, 3569150, 5710640, 7138300, 14276600, 28553200]

約数ペア:

[(1, 28553200), (2, 14276600), (4, 7138300), (5, 5710640), (8, 3569150), (10, 2855320), (13, 2196400), (16, 1784575), (17, 1679600), (19, 1502800), (20, 1427660), (25, 1142128), (26, 1098200), (34, 839800), (38, 751400), (40, 713830), (50, 571064), (52, 549100), (65, 439280), (68, 419900), (76, 375700), (80, 356915), (85, 335920), (95, 300560), (100, 285532), (104, 274550), (130, 219640), (136, 209950), (152, 187850), (170, 167960), (190, 150280), (200, 142766), (208, 137275), (221, 129200), (247, 115600), (260, 109820), (272, 104975), (289, 98800), (304, 93925), (323, 88400), (325, 87856), (340, 83980), (380, 75140), (400, 71383), (425, 67184), (442, 64600), (475, 60112), (494, 57800), (520, 54910), (578, 49400), (646, 44200), (650, 43928), (680, 41990), (760, 37570), (850, 33592), (884, 32300), (950, 30056), (988, 28900), (1040, 27455), (1105, 25840), (1156, 24700), (1235, 23120), (1292, 22100), (1300, 21964), (1360, 20995), (1445, 19760), (1520, 18785), (1615, 17680), (1700, 16796), (1768, 16150), (1900, 15028), (1976, 14450), (2210, 12920), (2312, 12350), (2470, 11560), (2584, 11050), (2600, 10982), (2890, 9880), (3230, 8840), (3400, 8398), (3536, 8075), (3757, 7600), (3800, 7514), (3952, 7225), (4199, 6800), (4420, 6460), (4624, 6175), (4940, 5780), (5168, 5525), (5200, 5491)]