2215780

素因数分解:

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

素因数の和:66

約数の個数: 96

約数和(自身を含む): 6048000

約数和(自身を除く): 3832220

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 28, 34, 35, 38, 49, 68, 70, 76, 85, 95, 98, 119, 133, 140, 170, 190, 196, 238, 245, 266, 323, 340, 343, 380, 476, 490, 532, 595, 646, 665, 686, 833, 931, 980, 1190, 1292, 1330, 1372, 1615, 1666, 1715, 1862, 2261, 2380, 2660, 3230, 3332, 3430, 3724, 4165, 4522, 4655, 5831, 6460, 6517, 6860, 8330, 9044, 9310, 11305, 11662, 13034, 15827, 16660, 18620, 22610, 23324, 26068, 29155, 31654, 32585, 45220, 58310, 63308, 65170, 79135, 110789, 116620, 130340, 158270, 221578, 316540, 443156, 553945, 1107890, 2215780]

約数ペア:

[(1, 2215780), (2, 1107890), (4, 553945), (5, 443156), (7, 316540), (10, 221578), (14, 158270), (17, 130340), (19, 116620), (20, 110789), (28, 79135), (34, 65170), (35, 63308), (38, 58310), (49, 45220), (68, 32585), (70, 31654), (76, 29155), (85, 26068), (95, 23324), (98, 22610), (119, 18620), (133, 16660), (140, 15827), (170, 13034), (190, 11662), (196, 11305), (238, 9310), (245, 9044), (266, 8330), (323, 6860), (340, 6517), (343, 6460), (380, 5831), (476, 4655), (490, 4522), (532, 4165), (595, 3724), (646, 3430), (665, 3332), (686, 3230), (833, 2660), (931, 2380), (980, 2261), (1190, 1862), (1292, 1715), (1330, 1666), (1372, 1615)]