202385950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:638

約数の個数: 72

約数和(自身を含む): 417850488

約数和(自身を除く): 215464538

約数列:

[1, 2, 5, 10, 13, 25, 26, 43, 50, 65, 86, 130, 169, 215, 325, 338, 430, 557, 559, 650, 845, 1075, 1114, 1118, 1690, 2150, 2785, 2795, 4225, 5570, 5590, 7241, 7267, 8450, 13925, 13975, 14482, 14534, 23951, 27850, 27950, 36205, 36335, 47902, 72410, 72670, 94133, 119755, 181025, 181675, 188266, 239510, 311363, 362050, 363350, 470665, 598775, 622726, 941330, 1197550, 1556815, 2353325, 3113630, 4047719, 4706650, 7784075, 8095438, 15568150, 20238595, 40477190, 101192975, 202385950]

約数ペア:

[(1, 202385950), (2, 101192975), (5, 40477190), (10, 20238595), (13, 15568150), (25, 8095438), (26, 7784075), (43, 4706650), (50, 4047719), (65, 3113630), (86, 2353325), (130, 1556815), (169, 1197550), (215, 941330), (325, 622726), (338, 598775), (430, 470665), (557, 363350), (559, 362050), (650, 311363), (845, 239510), (1075, 188266), (1114, 181675), (1118, 181025), (1690, 119755), (2150, 94133), (2785, 72670), (2795, 72410), (4225, 47902), (5570, 36335), (5590, 36205), (7241, 27950), (7267, 27850), (8450, 23951), (13925, 14534), (13975, 14482)]