1804353460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{141629}}^1$

素因数の和:141665

約数の個数: 72

約数和(自身を含む): 4746871080

約数和(自身を除く): 2942517620

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 141629, 283258, 566516, 708145, 991403, 1416290, 1841177, 1982806, 2832580, 3682354, 3965612, 4957015, 6939821, 7364708, 9205885, 9914030, 12888239, 13879642, 18411770, 19828060, 25776478, 27759284, 34699105, 36823540, 51552956, 64441195, 69398210, 90217673, 128882390, 138796420, 180435346, 257764780, 360870692, 451088365, 902176730, 1804353460]

約数ペア:

[(1, 1804353460), (2, 902176730), (4, 451088365), (5, 360870692), (7, 257764780), (10, 180435346), (13, 138796420), (14, 128882390), (20, 90217673), (26, 69398210), (28, 64441195), (35, 51552956), (49, 36823540), (52, 34699105), (65, 27759284), (70, 25776478), (91, 19828060), (98, 18411770), (130, 13879642), (140, 12888239), (182, 9914030), (196, 9205885), (245, 7364708), (260, 6939821), (364, 4957015), (455, 3965612), (490, 3682354), (637, 2832580), (910, 1982806), (980, 1841177), (1274, 1416290), (1820, 991403), (2548, 708145), (3185, 566516), (6370, 283258), (12740, 141629)]