31965220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:293

約数の個数: 96

約数和(自身を含む): 82494720

約数和(自身を除く): 50529500

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 61, 70, 76, 95, 122, 133, 140, 190, 197, 244, 266, 305, 380, 394, 427, 532, 610, 665, 788, 854, 985, 1159, 1220, 1330, 1379, 1708, 1970, 2135, 2318, 2660, 2758, 3743, 3940, 4270, 4636, 5516, 5795, 6895, 7486, 8113, 8540, 11590, 12017, 13790, 14972, 16226, 18715, 23180, 24034, 26201, 27580, 32452, 37430, 40565, 48068, 52402, 60085, 74860, 81130, 84119, 104804, 120170, 131005, 162260, 168238, 228323, 240340, 262010, 336476, 420595, 456646, 524020, 841190, 913292, 1141615, 1598261, 1682380, 2283230, 3196522, 4566460, 6393044, 7991305, 15982610, 31965220]

約数ペア:

[(1, 31965220), (2, 15982610), (4, 7991305), (5, 6393044), (7, 4566460), (10, 3196522), (14, 2283230), (19, 1682380), (20, 1598261), (28, 1141615), (35, 913292), (38, 841190), (61, 524020), (70, 456646), (76, 420595), (95, 336476), (122, 262010), (133, 240340), (140, 228323), (190, 168238), (197, 162260), (244, 131005), (266, 120170), (305, 104804), (380, 84119), (394, 81130), (427, 74860), (532, 60085), (610, 52402), (665, 48068), (788, 40565), (854, 37430), (985, 32452), (1159, 27580), (1220, 26201), (1330, 24034), (1379, 23180), (1708, 18715), (1970, 16226), (2135, 14972), (2318, 13790), (2660, 12017), (2758, 11590), (3743, 8540), (3940, 8113), (4270, 7486), (4636, 6895), (5516, 5795)]