994840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:65

約数の個数: 128

約数和(自身を含む): 3110400

約数和(自身を除く): 2115560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 19, 20, 22, 28, 34, 35, 38, 40, 44, 55, 56, 68, 70, 76, 77, 85, 88, 95, 110, 119, 133, 136, 140, 152, 154, 170, 187, 190, 209, 220, 238, 266, 280, 308, 323, 340, 374, 380, 385, 418, 440, 476, 532, 595, 616, 646, 665, 680, 748, 760, 770, 836, 935, 952, 1045, 1064, 1190, 1292, 1309, 1330, 1463, 1496, 1540, 1615, 1672, 1870, 2090, 2261, 2380, 2584, 2618, 2660, 2926, 3080, 3230, 3553, 3740, 4180, 4522, 4760, 5236, 5320, 5852, 6460, 6545, 7106, 7315, 7480, 8360, 9044, 10472, 11305, 11704, 12920, 13090, 14212, 14630, 17765, 18088, 22610, 24871, 26180, 28424, 29260, 35530, 45220, 49742, 52360, 58520, 71060, 90440, 99484, 124355, 142120, 198968, 248710, 497420, 994840]

約数ペア:

[(1, 994840), (2, 497420), (4, 248710), (5, 198968), (7, 142120), (8, 124355), (10, 99484), (11, 90440), (14, 71060), (17, 58520), (19, 52360), (20, 49742), (22, 45220), (28, 35530), (34, 29260), (35, 28424), (38, 26180), (40, 24871), (44, 22610), (55, 18088), (56, 17765), (68, 14630), (70, 14212), (76, 13090), (77, 12920), (85, 11704), (88, 11305), (95, 10472), (110, 9044), (119, 8360), (133, 7480), (136, 7315), (140, 7106), (152, 6545), (154, 6460), (170, 5852), (187, 5320), (190, 5236), (209, 4760), (220, 4522), (238, 4180), (266, 3740), (280, 3553), (308, 3230), (323, 3080), (340, 2926), (374, 2660), (380, 2618), (385, 2584), (418, 2380), (440, 2261), (476, 2090), (532, 1870), (595, 1672), (616, 1615), (646, 1540), (665, 1496), (680, 1463), (748, 1330), (760, 1309), (770, 1292), (836, 1190), (935, 1064), (952, 1045)]