353067440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{953}}^1$

素因数の和:1398

約数の個数: 80

約数和(自身を含む): 898576416

約数和(自身を除く): 545508976

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 421, 440, 842, 880, 953, 1684, 1906, 2105, 3368, 3812, 4210, 4631, 4765, 6736, 7624, 8420, 9262, 9530, 10483, 15248, 16840, 18524, 19060, 20966, 23155, 33680, 37048, 38120, 41932, 46310, 52415, 74096, 76240, 83864, 92620, 104830, 167728, 185240, 209660, 370480, 401213, 419320, 802426, 838640, 1604852, 2006065, 3209704, 4012130, 4413343, 6419408, 8024260, 8826686, 16048520, 17653372, 22066715, 32097040, 35306744, 44133430, 70613488, 88266860, 176533720, 353067440]

約数ペア:

[(1, 353067440), (2, 176533720), (4, 88266860), (5, 70613488), (8, 44133430), (10, 35306744), (11, 32097040), (16, 22066715), (20, 17653372), (22, 16048520), (40, 8826686), (44, 8024260), (55, 6419408), (80, 4413343), (88, 4012130), (110, 3209704), (176, 2006065), (220, 1604852), (421, 838640), (440, 802426), (842, 419320), (880, 401213), (953, 370480), (1684, 209660), (1906, 185240), (2105, 167728), (3368, 104830), (3812, 92620), (4210, 83864), (4631, 76240), (4765, 74096), (6736, 52415), (7624, 46310), (8420, 41932), (9262, 38120), (9530, 37048), (10483, 33680), (15248, 23155), (16840, 20966), (18524, 19060)]