978636019340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{479}}^1\times {\mathrm{2084777}}^1$

素因数の和:2085279

約数の個数: 72

約数和(自身を含む): 2395660095360

約数和(自身を除く): 1417024076020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 479, 490, 958, 980, 1916, 2395, 3353, 4790, 6706, 9580, 13412, 16765, 23471, 33530, 46942, 67060, 93884, 117355, 234710, 469420, 2084777, 4169554, 8339108, 10423885, 14593439, 20847770, 29186878, 41695540, 58373756, 72967195, 102154073, 145934390, 204308146, 291868780, 408616292, 510770365, 998608183, 1021540730, 1997216366, 2043081460, 3994432732, 4993040915, 6990257281, 9986081830, 13980514562, 19972163660, 27961029124, 34951286405, 48931800967, 69902572810, 97863601934, 139805145620, 195727203868, 244659004835, 489318009670, 978636019340]

約数ペア:

[(1, 978636019340), (2, 489318009670), (4, 244659004835), (5, 195727203868), (7, 139805145620), (10, 97863601934), (14, 69902572810), (20, 48931800967), (28, 34951286405), (35, 27961029124), (49, 19972163660), (70, 13980514562), (98, 9986081830), (140, 6990257281), (196, 4993040915), (245, 3994432732), (479, 2043081460), (490, 1997216366), (958, 1021540730), (980, 998608183), (1916, 510770365), (2395, 408616292), (3353, 291868780), (4790, 204308146), (6706, 145934390), (9580, 102154073), (13412, 72967195), (16765, 58373756), (23471, 41695540), (33530, 29186878), (46942, 20847770), (67060, 14593439), (93884, 10423885), (117355, 8339108), (234710, 4169554), (469420, 2084777)]