2103920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2$

素因数の和:67

約数の個数: 120

約数和(自身を含む): 6395424

約数和(自身を除く): 4291504

約数列:

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

約数ペア:

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