202801820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{673}}^1$

素因数の和:775

約数の個数: 96

約数和(自身を含む): 491426880

約数和(自身を除く): 288625060

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 61, 65, 76, 95, 122, 130, 190, 244, 247, 260, 305, 380, 494, 610, 673, 793, 988, 1159, 1220, 1235, 1346, 1586, 2318, 2470, 2692, 3172, 3365, 3965, 4636, 4940, 5795, 6730, 7930, 8749, 11590, 12787, 13460, 15067, 15860, 17498, 23180, 25574, 30134, 34996, 41053, 43745, 51148, 60268, 63935, 75335, 82106, 87490, 127870, 150670, 164212, 166231, 174980, 205265, 255740, 301340, 332462, 410530, 533689, 664924, 780007, 821060, 831155, 1067378, 1560014, 1662310, 2134756, 2668445, 3120028, 3324620, 3900035, 5336890, 7800070, 10140091, 10673780, 15600140, 20280182, 40560364, 50700455, 101400910, 202801820]

約数ペア:

[(1, 202801820), (2, 101400910), (4, 50700455), (5, 40560364), (10, 20280182), (13, 15600140), (19, 10673780), (20, 10140091), (26, 7800070), (38, 5336890), (52, 3900035), (61, 3324620), (65, 3120028), (76, 2668445), (95, 2134756), (122, 1662310), (130, 1560014), (190, 1067378), (244, 831155), (247, 821060), (260, 780007), (305, 664924), (380, 533689), (494, 410530), (610, 332462), (673, 301340), (793, 255740), (988, 205265), (1159, 174980), (1220, 166231), (1235, 164212), (1346, 150670), (1586, 127870), (2318, 87490), (2470, 82106), (2692, 75335), (3172, 63935), (3365, 60268), (3965, 51148), (4636, 43745), (4940, 41053), (5795, 34996), (6730, 30134), (7930, 25574), (8749, 23180), (11590, 17498), (12787, 15860), (13460, 15067)]