888931820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{857}}^1$

素因数の和:1143

約数の個数: 96

約数和(自身を含む): 2214051840

約数和(自身を除く): 1325120020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 239, 310, 434, 478, 620, 857, 868, 956, 1085, 1195, 1673, 1714, 2170, 2390, 3346, 3428, 4285, 4340, 4780, 5999, 6692, 7409, 8365, 8570, 11998, 14818, 16730, 17140, 23996, 26567, 29636, 29995, 33460, 37045, 51863, 53134, 59990, 74090, 103726, 106268, 119980, 132835, 148180, 185969, 204823, 207452, 259315, 265670, 371938, 409646, 518630, 531340, 743876, 819292, 929845, 1024115, 1037260, 1433761, 1859690, 2048230, 2867522, 3719380, 4096460, 5735044, 6349513, 7168805, 12699026, 14337610, 25398052, 28675220, 31747565, 44446591, 63495130, 88893182, 126990260, 177786364, 222232955, 444465910, 888931820]

約数ペア:

[(1, 888931820), (2, 444465910), (4, 222232955), (5, 177786364), (7, 126990260), (10, 88893182), (14, 63495130), (20, 44446591), (28, 31747565), (31, 28675220), (35, 25398052), (62, 14337610), (70, 12699026), (124, 7168805), (140, 6349513), (155, 5735044), (217, 4096460), (239, 3719380), (310, 2867522), (434, 2048230), (478, 1859690), (620, 1433761), (857, 1037260), (868, 1024115), (956, 929845), (1085, 819292), (1195, 743876), (1673, 531340), (1714, 518630), (2170, 409646), (2390, 371938), (3346, 265670), (3428, 259315), (4285, 207452), (4340, 204823), (4780, 185969), (5999, 148180), (6692, 132835), (7409, 119980), (8365, 106268), (8570, 103726), (11998, 74090), (14818, 59990), (16730, 53134), (17140, 51863), (23996, 37045), (26567, 33460), (29636, 29995)]