13877780

素因数分解:

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

素因数の和:71

約数の個数: 90

約数和(自身を含む): 36116094

約数和(自身を除く): 22238314

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 289, 340, 343, 476, 490, 578, 595, 686, 833, 980, 1156, 1190, 1372, 1445, 1666, 1715, 2023, 2380, 2401, 2890, 3332, 3430, 4046, 4165, 4802, 5780, 5831, 6860, 8092, 8330, 9604, 10115, 11662, 12005, 14161, 16660, 20230, 23324, 24010, 28322, 29155, 40460, 40817, 48020, 56644, 58310, 70805, 81634, 99127, 116620, 141610, 163268, 198254, 204085, 283220, 396508, 408170, 495635, 693889, 816340, 991270, 1387778, 1982540, 2775556, 3469445, 6938890, 13877780]

約数ペア:

[(1, 13877780), (2, 6938890), (4, 3469445), (5, 2775556), (7, 1982540), (10, 1387778), (14, 991270), (17, 816340), (20, 693889), (28, 495635), (34, 408170), (35, 396508), (49, 283220), (68, 204085), (70, 198254), (85, 163268), (98, 141610), (119, 116620), (140, 99127), (170, 81634), (196, 70805), (238, 58310), (245, 56644), (289, 48020), (340, 40817), (343, 40460), (476, 29155), (490, 28322), (578, 24010), (595, 23324), (686, 20230), (833, 16660), (980, 14161), (1156, 12005), (1190, 11662), (1372, 10115), (1445, 9604), (1666, 8330), (1715, 8092), (2023, 6860), (2380, 5831), (2401, 5780), (2890, 4802), (3332, 4165), (3430, 4046)]