40190220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{191}}^1$

素因数の和:380

約数の個数: 144

約数和(自身を含む): 140894208

約数和(自身を除く): 100703988

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 167, 180, 191, 210, 252, 315, 334, 382, 420, 501, 573, 630, 668, 764, 835, 955, 1002, 1146, 1169, 1260, 1337, 1503, 1670, 1719, 1910, 2004, 2292, 2338, 2505, 2674, 2865, 3006, 3340, 3438, 3507, 3820, 4011, 4676, 5010, 5348, 5730, 5845, 6012, 6685, 6876, 7014, 7515, 8022, 8595, 10020, 10521, 11460, 11690, 12033, 13370, 14028, 15030, 16044, 17190, 17535, 20055, 21042, 23380, 24066, 26740, 30060, 31897, 34380, 35070, 40110, 42084, 48132, 52605, 60165, 63794, 70140, 80220, 95691, 105210, 120330, 127588, 159485, 191382, 210420, 223279, 240660, 287073, 318970, 382764, 446558, 478455, 574146, 637940, 669837, 893116, 956910, 1116395, 1148292, 1339674, 1435365, 1913820, 2009511, 2232790, 2679348, 2870730, 3349185, 4019022, 4465580, 5741460, 6698370, 8038044, 10047555, 13396740, 20095110, 40190220]

約数ペア:

[(1, 40190220), (2, 20095110), (3, 13396740), (4, 10047555), (5, 8038044), (6, 6698370), (7, 5741460), (9, 4465580), (10, 4019022), (12, 3349185), (14, 2870730), (15, 2679348), (18, 2232790), (20, 2009511), (21, 1913820), (28, 1435365), (30, 1339674), (35, 1148292), (36, 1116395), (42, 956910), (45, 893116), (60, 669837), (63, 637940), (70, 574146), (84, 478455), (90, 446558), (105, 382764), (126, 318970), (140, 287073), (167, 240660), (180, 223279), (191, 210420), (210, 191382), (252, 159485), (315, 127588), (334, 120330), (382, 105210), (420, 95691), (501, 80220), (573, 70140), (630, 63794), (668, 60165), (764, 52605), (835, 48132), (955, 42084), (1002, 40110), (1146, 35070), (1169, 34380), (1260, 31897), (1337, 30060), (1503, 26740), (1670, 24066), (1719, 23380), (1910, 21042), (2004, 20055), (2292, 17535), (2338, 17190), (2505, 16044), (2674, 15030), (2865, 14028), (3006, 13370), (3340, 12033), (3438, 11690), (3507, 11460), (3820, 10521), (4011, 10020), (4676, 8595), (5010, 8022), (5348, 7515), (5730, 7014), (5845, 6876), (6012, 6685)]