90979400

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 220968000

約数和(自身を除く): 129988600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 71, 86, 100, 142, 149, 172, 200, 215, 284, 298, 344, 355, 430, 568, 596, 710, 745, 860, 1075, 1192, 1420, 1490, 1720, 1775, 2150, 2840, 2980, 3053, 3550, 3725, 4300, 5960, 6106, 6407, 7100, 7450, 8600, 10579, 12212, 12814, 14200, 14900, 15265, 21158, 24424, 25628, 29800, 30530, 32035, 42316, 51256, 52895, 61060, 64070, 76325, 84632, 105790, 122120, 128140, 152650, 160175, 211580, 256280, 264475, 305300, 320350, 423160, 454897, 528950, 610600, 640700, 909794, 1057900, 1281400, 1819588, 2115800, 2274485, 3639176, 4548970, 9097940, 11372425, 18195880, 22744850, 45489700, 90979400]

約数ペア:

[(1, 90979400), (2, 45489700), (4, 22744850), (5, 18195880), (8, 11372425), (10, 9097940), (20, 4548970), (25, 3639176), (40, 2274485), (43, 2115800), (50, 1819588), (71, 1281400), (86, 1057900), (100, 909794), (142, 640700), (149, 610600), (172, 528950), (200, 454897), (215, 423160), (284, 320350), (298, 305300), (344, 264475), (355, 256280), (430, 211580), (568, 160175), (596, 152650), (710, 128140), (745, 122120), (860, 105790), (1075, 84632), (1192, 76325), (1420, 64070), (1490, 61060), (1720, 52895), (1775, 51256), (2150, 42316), (2840, 32035), (2980, 30530), (3053, 29800), (3550, 25628), (3725, 24424), (4300, 21158), (5960, 15265), (6106, 14900), (6407, 14200), (7100, 12814), (7450, 12212), (8600, 10579)]