2019665960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{228469}}^1$

素因数の和:228510

約数の個数: 64

約数和(自身を含む): 5181699600

約数和(自身を除く): 3162033640

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 8840, 228469, 456938, 913876, 1142345, 1827752, 2284690, 2970097, 3883973, 4569380, 5940194, 7767946, 9138760, 11880388, 14850485, 15535892, 19419865, 23760776, 29700970, 31071784, 38839730, 50491649, 59401940, 77679460, 100983298, 118803880, 155358920, 201966596, 252458245, 403933192, 504916490, 1009832980, 2019665960]

約数ペア:

[(1, 2019665960), (2, 1009832980), (4, 504916490), (5, 403933192), (8, 252458245), (10, 201966596), (13, 155358920), (17, 118803880), (20, 100983298), (26, 77679460), (34, 59401940), (40, 50491649), (52, 38839730), (65, 31071784), (68, 29700970), (85, 23760776), (104, 19419865), (130, 15535892), (136, 14850485), (170, 11880388), (221, 9138760), (260, 7767946), (340, 5940194), (442, 4569380), (520, 3883973), (680, 2970097), (884, 2284690), (1105, 1827752), (1768, 1142345), (2210, 913876), (4420, 456938), (8840, 228469)]