86687500

素因数分解:

$2^2\times 5^6\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:126

約数の個数: 84

約数和(自身を含む): 202341160

約数和(自身を除く): 115653660

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 73, 76, 95, 100, 125, 146, 190, 250, 292, 365, 380, 475, 500, 625, 730, 950, 1250, 1387, 1460, 1825, 1900, 2375, 2500, 2774, 3125, 3650, 4750, 5548, 6250, 6935, 7300, 9125, 9500, 11875, 12500, 13870, 15625, 18250, 23750, 27740, 31250, 34675, 36500, 45625, 47500, 59375, 62500, 69350, 91250, 118750, 138700, 173375, 182500, 228125, 237500, 296875, 346750, 456250, 593750, 693500, 866875, 912500, 1140625, 1187500, 1733750, 2281250, 3467500, 4334375, 4562500, 8668750, 17337500, 21671875, 43343750, 86687500]

約数ペア:

[(1, 86687500), (2, 43343750), (4, 21671875), (5, 17337500), (10, 8668750), (19, 4562500), (20, 4334375), (25, 3467500), (38, 2281250), (50, 1733750), (73, 1187500), (76, 1140625), (95, 912500), (100, 866875), (125, 693500), (146, 593750), (190, 456250), (250, 346750), (292, 296875), (365, 237500), (380, 228125), (475, 182500), (500, 173375), (625, 138700), (730, 118750), (950, 91250), (1250, 69350), (1387, 62500), (1460, 59375), (1825, 47500), (1900, 45625), (2375, 36500), (2500, 34675), (2774, 31250), (3125, 27740), (3650, 23750), (4750, 18250), (5548, 15625), (6250, 13870), (6935, 12500), (7300, 11875), (9125, 9500)]