2019944420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{457001}}^1$

素因数の和:457040

約数の個数: 48

約数和(自身を含む): 4836909168

約数和(自身を除く): 2816964748

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 457001, 914002, 1828004, 2285005, 4570010, 5941013, 7769017, 9140020, 11882026, 15538034, 23764052, 29705065, 31076068, 38845085, 59410130, 77690170, 100997221, 118820260, 155380340, 201994442, 403988884, 504986105, 1009972210, 2019944420]

約数ペア:

[(1, 2019944420), (2, 1009972210), (4, 504986105), (5, 403988884), (10, 201994442), (13, 155380340), (17, 118820260), (20, 100997221), (26, 77690170), (34, 59410130), (52, 38845085), (65, 31076068), (68, 29705065), (85, 23764052), (130, 15538034), (170, 11882026), (221, 9140020), (260, 7769017), (340, 5941013), (442, 4570010), (884, 2285005), (1105, 1828004), (2210, 914002), (4420, 457001)]