18575900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{223}}^1$

素因数の和:268

約数の個数: 108

約数和(自身を含む): 49871808

約数和(自身を除く): 31295908

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 49, 50, 68, 70, 85, 98, 100, 119, 140, 170, 175, 196, 223, 238, 245, 340, 350, 425, 446, 476, 490, 595, 700, 833, 850, 892, 980, 1115, 1190, 1225, 1561, 1666, 1700, 2230, 2380, 2450, 2975, 3122, 3332, 3791, 4165, 4460, 4900, 5575, 5950, 6244, 7582, 7805, 8330, 10927, 11150, 11900, 15164, 15610, 16660, 18955, 20825, 21854, 22300, 26537, 31220, 37910, 39025, 41650, 43708, 53074, 54635, 75820, 78050, 83300, 94775, 106148, 109270, 132685, 156100, 185759, 189550, 218540, 265370, 273175, 371518, 379100, 530740, 546350, 663425, 743036, 928795, 1092700, 1326850, 1857590, 2653700, 3715180, 4643975, 9287950, 18575900]

約数ペア:

[(1, 18575900), (2, 9287950), (4, 4643975), (5, 3715180), (7, 2653700), (10, 1857590), (14, 1326850), (17, 1092700), (20, 928795), (25, 743036), (28, 663425), (34, 546350), (35, 530740), (49, 379100), (50, 371518), (68, 273175), (70, 265370), (85, 218540), (98, 189550), (100, 185759), (119, 156100), (140, 132685), (170, 109270), (175, 106148), (196, 94775), (223, 83300), (238, 78050), (245, 75820), (340, 54635), (350, 53074), (425, 43708), (446, 41650), (476, 39025), (490, 37910), (595, 31220), (700, 26537), (833, 22300), (850, 21854), (892, 20825), (980, 18955), (1115, 16660), (1190, 15610), (1225, 15164), (1561, 11900), (1666, 11150), (1700, 10927), (2230, 8330), (2380, 7805), (2450, 7582), (2975, 6244), (3122, 5950), (3332, 5575), (3791, 4900), (4165, 4460)]