1946005780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{103}}^1\times {\mathrm{983}}^1$

素因数の和:1157

約数の個数: 72

約数和(自身を含む): 4268025216

約数和(自身を除く): 2322019436

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 103, 124, 155, 206, 310, 412, 515, 620, 961, 983, 1030, 1922, 1966, 2060, 3193, 3844, 3932, 4805, 4915, 6386, 9610, 9830, 12772, 15965, 19220, 19660, 30473, 31930, 60946, 63860, 98983, 101249, 121892, 152365, 197966, 202498, 304730, 395932, 404996, 494915, 506245, 609460, 944663, 989830, 1012490, 1889326, 1979660, 2024980, 3138719, 3778652, 4723315, 6277438, 9446630, 12554876, 15693595, 18893260, 31387190, 62774380, 97300289, 194600578, 389201156, 486501445, 973002890, 1946005780]

約数ペア:

[(1, 1946005780), (2, 973002890), (4, 486501445), (5, 389201156), (10, 194600578), (20, 97300289), (31, 62774380), (62, 31387190), (103, 18893260), (124, 15693595), (155, 12554876), (206, 9446630), (310, 6277438), (412, 4723315), (515, 3778652), (620, 3138719), (961, 2024980), (983, 1979660), (1030, 1889326), (1922, 1012490), (1966, 989830), (2060, 944663), (3193, 609460), (3844, 506245), (3932, 494915), (4805, 404996), (4915, 395932), (6386, 304730), (9610, 202498), (9830, 197966), (12772, 152365), (15965, 121892), (19220, 101249), (19660, 98983), (30473, 63860), (31930, 60946)]