142119940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1\times {\mathrm{659}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 307359360

約数和(自身を除く): 165239420

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 263, 410, 526, 659, 820, 1052, 1315, 1318, 2630, 2636, 3295, 5260, 6590, 10783, 13180, 21566, 27019, 43132, 53915, 54038, 107830, 108076, 135095, 173317, 215660, 270190, 346634, 540380, 693268, 866585, 1733170, 3466340, 7105997, 14211994, 28423988, 35529985, 71059970, 142119940]

約数ペア:

[(1, 142119940), (2, 71059970), (4, 35529985), (5, 28423988), (10, 14211994), (20, 7105997), (41, 3466340), (82, 1733170), (164, 866585), (205, 693268), (263, 540380), (410, 346634), (526, 270190), (659, 215660), (820, 173317), (1052, 135095), (1315, 108076), (1318, 107830), (2630, 54038), (2636, 53915), (3295, 43132), (5260, 27019), (6590, 21566), (10783, 13180)]