17269100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 40362000

約数和(自身を除く): 23092900

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 61, 76, 95, 100, 122, 149, 190, 244, 298, 305, 380, 475, 596, 610, 745, 950, 1159, 1220, 1490, 1525, 1900, 2318, 2831, 2980, 3050, 3725, 4636, 5662, 5795, 6100, 7450, 9089, 11324, 11590, 14155, 14900, 18178, 23180, 28310, 28975, 36356, 45445, 56620, 57950, 70775, 90890, 115900, 141550, 172691, 181780, 227225, 283100, 345382, 454450, 690764, 863455, 908900, 1726910, 3453820, 4317275, 8634550, 17269100]

約数ペア:

[(1, 17269100), (2, 8634550), (4, 4317275), (5, 3453820), (10, 1726910), (19, 908900), (20, 863455), (25, 690764), (38, 454450), (50, 345382), (61, 283100), (76, 227225), (95, 181780), (100, 172691), (122, 141550), (149, 115900), (190, 90890), (244, 70775), (298, 57950), (305, 56620), (380, 45445), (475, 36356), (596, 28975), (610, 28310), (745, 23180), (950, 18178), (1159, 14900), (1220, 14155), (1490, 11590), (1525, 11324), (1900, 9089), (2318, 7450), (2831, 6100), (2980, 5795), (3050, 5662), (3725, 4636)]