123431980

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{947}}^1$

素因数の和:996

約数の個数: 96

約数和(自身を含む): 318528000

約数和(自身を除く): 195096020

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 343, 380, 490, 532, 665, 686, 931, 947, 980, 1330, 1372, 1715, 1862, 1894, 2660, 3430, 3724, 3788, 4655, 4735, 6517, 6629, 6860, 9310, 9470, 13034, 13258, 17993, 18620, 18940, 26068, 26516, 32585, 33145, 35986, 46403, 65170, 66290, 71972, 89965, 92806, 125951, 130340, 132580, 179930, 185612, 232015, 251902, 324821, 359860, 464030, 503804, 629755, 649642, 881657, 928060, 1259510, 1299284, 1624105, 1763314, 2519020, 3248210, 3526628, 4408285, 6171599, 6496420, 8816570, 12343198, 17633140, 24686396, 30857995, 61715990, 123431980]

約数ペア:

[(1, 123431980), (2, 61715990), (4, 30857995), (5, 24686396), (7, 17633140), (10, 12343198), (14, 8816570), (19, 6496420), (20, 6171599), (28, 4408285), (35, 3526628), (38, 3248210), (49, 2519020), (70, 1763314), (76, 1624105), (95, 1299284), (98, 1259510), (133, 928060), (140, 881657), (190, 649642), (196, 629755), (245, 503804), (266, 464030), (343, 359860), (380, 324821), (490, 251902), (532, 232015), (665, 185612), (686, 179930), (931, 132580), (947, 130340), (980, 125951), (1330, 92806), (1372, 89965), (1715, 71972), (1862, 66290), (1894, 65170), (2660, 46403), (3430, 35986), (3724, 33145), (3788, 32585), (4655, 26516), (4735, 26068), (6517, 18940), (6629, 18620), (6860, 17993), (9310, 13258), (9470, 13034)]