31023020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:219

約数の個数: 96

約数和(自身を含む): 78599808

約数和(自身を除く): 47576788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 53, 70, 74, 106, 113, 140, 148, 185, 212, 226, 259, 265, 370, 371, 452, 518, 530, 565, 740, 742, 791, 1036, 1060, 1130, 1295, 1484, 1582, 1855, 1961, 2260, 2590, 3164, 3710, 3922, 3955, 4181, 5180, 5989, 7420, 7844, 7910, 8362, 9805, 11978, 13727, 15820, 16724, 19610, 20905, 23956, 27454, 29267, 29945, 39220, 41810, 41923, 54908, 58534, 59890, 68635, 83620, 83846, 117068, 119780, 137270, 146335, 167692, 209615, 221593, 274540, 292670, 419230, 443186, 585340, 838460, 886372, 1107965, 1551151, 2215930, 3102302, 4431860, 6204604, 7755755, 15511510, 31023020]

約数ペア:

[(1, 31023020), (2, 15511510), (4, 7755755), (5, 6204604), (7, 4431860), (10, 3102302), (14, 2215930), (20, 1551151), (28, 1107965), (35, 886372), (37, 838460), (53, 585340), (70, 443186), (74, 419230), (106, 292670), (113, 274540), (140, 221593), (148, 209615), (185, 167692), (212, 146335), (226, 137270), (259, 119780), (265, 117068), (370, 83846), (371, 83620), (452, 68635), (518, 59890), (530, 58534), (565, 54908), (740, 41923), (742, 41810), (791, 39220), (1036, 29945), (1060, 29267), (1130, 27454), (1295, 23956), (1484, 20905), (1582, 19610), (1855, 16724), (1961, 15820), (2260, 13727), (2590, 11978), (3164, 9805), (3710, 8362), (3922, 7910), (3955, 7844), (4181, 7420), (5180, 5989)]