2040809900

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{4583}}^1$

素因数の和:4731

約数の個数: 72

約数和(自身を含む): 4563812064

約数和(自身を除く): 2523002164

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 73, 100, 122, 146, 244, 292, 305, 365, 610, 730, 1220, 1460, 1525, 1825, 3050, 3650, 4453, 4583, 6100, 7300, 8906, 9166, 17812, 18332, 22265, 22915, 44530, 45830, 89060, 91660, 111325, 114575, 222650, 229150, 279563, 334559, 445300, 458300, 559126, 669118, 1118252, 1338236, 1397815, 1672795, 2795630, 3345590, 5591260, 6691180, 6989075, 8363975, 13978150, 16727950, 20408099, 27956300, 33455900, 40816198, 81632396, 102040495, 204080990, 408161980, 510202475, 1020404950, 2040809900]

約数ペア:

[(1, 2040809900), (2, 1020404950), (4, 510202475), (5, 408161980), (10, 204080990), (20, 102040495), (25, 81632396), (50, 40816198), (61, 33455900), (73, 27956300), (100, 20408099), (122, 16727950), (146, 13978150), (244, 8363975), (292, 6989075), (305, 6691180), (365, 5591260), (610, 3345590), (730, 2795630), (1220, 1672795), (1460, 1397815), (1525, 1338236), (1825, 1118252), (3050, 669118), (3650, 559126), (4453, 458300), (4583, 445300), (6100, 334559), (7300, 279563), (8906, 229150), (9166, 222650), (17812, 114575), (18332, 111325), (22265, 91660), (22915, 89060), (44530, 45830)]