140378920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{2927}}^1$

素因数の和:3058

約数の個数: 64

約数和(自身を含む): 347846400

約数和(自身を除く): 207467480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 109, 110, 218, 220, 436, 440, 545, 872, 1090, 1199, 2180, 2398, 2927, 4360, 4796, 5854, 5995, 9592, 11708, 11990, 14635, 23416, 23980, 29270, 32197, 47960, 58540, 64394, 117080, 128788, 160985, 257576, 319043, 321970, 638086, 643940, 1276172, 1287880, 1595215, 2552344, 3190430, 3509473, 6380860, 7018946, 12761720, 14037892, 17547365, 28075784, 35094730, 70189460, 140378920]

約数ペア:

[(1, 140378920), (2, 70189460), (4, 35094730), (5, 28075784), (8, 17547365), (10, 14037892), (11, 12761720), (20, 7018946), (22, 6380860), (40, 3509473), (44, 3190430), (55, 2552344), (88, 1595215), (109, 1287880), (110, 1276172), (218, 643940), (220, 638086), (436, 321970), (440, 319043), (545, 257576), (872, 160985), (1090, 128788), (1199, 117080), (2180, 64394), (2398, 58540), (2927, 47960), (4360, 32197), (4796, 29270), (5854, 23980), (5995, 23416), (9592, 14635), (11708, 11990)]