137430440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:343

約数の個数: 128

約数和(自身を含む): 371589120

約数和(自身を除く): 234158680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 71, 124, 140, 142, 155, 217, 223, 248, 280, 284, 310, 355, 434, 446, 497, 568, 620, 710, 868, 892, 994, 1085, 1115, 1240, 1420, 1561, 1736, 1784, 1988, 2170, 2201, 2230, 2485, 2840, 3122, 3976, 4340, 4402, 4460, 4970, 6244, 6913, 7805, 8680, 8804, 8920, 9940, 11005, 12488, 13826, 15407, 15610, 15833, 17608, 19880, 22010, 27652, 30814, 31220, 31666, 34565, 44020, 48391, 55304, 61628, 62440, 63332, 69130, 77035, 79165, 88040, 96782, 110831, 123256, 126664, 138260, 154070, 158330, 193564, 221662, 241955, 276520, 308140, 316660, 387128, 443324, 483910, 490823, 554155, 616280, 633320, 886648, 967820, 981646, 1108310, 1935640, 1963292, 2216620, 2454115, 3435761, 3926584, 4433240, 4908230, 6871522, 9816460, 13743044, 17178805, 19632920, 27486088, 34357610, 68715220, 137430440]

約数ペア:

[(1, 137430440), (2, 68715220), (4, 34357610), (5, 27486088), (7, 19632920), (8, 17178805), (10, 13743044), (14, 9816460), (20, 6871522), (28, 4908230), (31, 4433240), (35, 3926584), (40, 3435761), (56, 2454115), (62, 2216620), (70, 1963292), (71, 1935640), (124, 1108310), (140, 981646), (142, 967820), (155, 886648), (217, 633320), (223, 616280), (248, 554155), (280, 490823), (284, 483910), (310, 443324), (355, 387128), (434, 316660), (446, 308140), (497, 276520), (568, 241955), (620, 221662), (710, 193564), (868, 158330), (892, 154070), (994, 138260), (1085, 126664), (1115, 123256), (1240, 110831), (1420, 96782), (1561, 88040), (1736, 79165), (1784, 77035), (1988, 69130), (2170, 63332), (2201, 62440), (2230, 61628), (2485, 55304), (2840, 48391), (3122, 44020), (3976, 34565), (4340, 31666), (4402, 31220), (4460, 30814), (4970, 27652), (6244, 22010), (6913, 19880), (7805, 17608), (8680, 15833), (8804, 15610), (8920, 15407), (9940, 13826), (11005, 12488)]