4207840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2$

素因数の和:69

約数の個数: 144

約数和(自身を含む): 12997152

約数和(自身を除く): 8789312

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 17, 20, 26, 28, 32, 34, 35, 40, 52, 56, 65, 68, 70, 80, 85, 91, 104, 112, 119, 130, 136, 140, 160, 170, 182, 208, 221, 224, 238, 260, 272, 280, 289, 340, 364, 416, 442, 455, 476, 520, 544, 560, 578, 595, 680, 728, 884, 910, 952, 1040, 1105, 1120, 1156, 1190, 1360, 1445, 1456, 1547, 1768, 1820, 1904, 2023, 2080, 2210, 2312, 2380, 2720, 2890, 2912, 3094, 3536, 3640, 3757, 3808, 4046, 4420, 4624, 4760, 5780, 6188, 7072, 7280, 7514, 7735, 8092, 8840, 9248, 9520, 10115, 11560, 12376, 14560, 15028, 15470, 16184, 17680, 18785, 19040, 20230, 23120, 24752, 26299, 30056, 30940, 32368, 35360, 37570, 40460, 46240, 49504, 52598, 60112, 61880, 64736, 75140, 80920, 105196, 120224, 123760, 131495, 150280, 161840, 210392, 247520, 262990, 300560, 323680, 420784, 525980, 601120, 841568, 1051960, 2103920, 4207840]

約数ペア:

[(1, 4207840), (2, 2103920), (4, 1051960), (5, 841568), (7, 601120), (8, 525980), (10, 420784), (13, 323680), (14, 300560), (16, 262990), (17, 247520), (20, 210392), (26, 161840), (28, 150280), (32, 131495), (34, 123760), (35, 120224), (40, 105196), (52, 80920), (56, 75140), (65, 64736), (68, 61880), (70, 60112), (80, 52598), (85, 49504), (91, 46240), (104, 40460), (112, 37570), (119, 35360), (130, 32368), (136, 30940), (140, 30056), (160, 26299), (170, 24752), (182, 23120), (208, 20230), (221, 19040), (224, 18785), (238, 17680), (260, 16184), (272, 15470), (280, 15028), (289, 14560), (340, 12376), (364, 11560), (416, 10115), (442, 9520), (455, 9248), (476, 8840), (520, 8092), (544, 7735), (560, 7514), (578, 7280), (595, 7072), (680, 6188), (728, 5780), (884, 4760), (910, 4624), (952, 4420), (1040, 4046), (1105, 3808), (1120, 3757), (1156, 3640), (1190, 3536), (1360, 3094), (1445, 2912), (1456, 2890), (1547, 2720), (1768, 2380), (1820, 2312), (1904, 2210), (2023, 2080)]