196357780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:329

約数の個数: 96

約数和(自身を含む): 453720960

約数和(自身を除く): 257363180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 61, 76, 86, 95, 122, 172, 190, 197, 215, 244, 305, 380, 394, 430, 610, 788, 817, 860, 985, 1159, 1220, 1634, 1970, 2318, 2623, 3268, 3743, 3940, 4085, 4636, 5246, 5795, 7486, 8170, 8471, 10492, 11590, 12017, 13115, 14972, 16340, 16942, 18715, 23180, 24034, 26230, 33884, 37430, 42355, 48068, 49837, 52460, 60085, 74860, 84710, 99674, 120170, 160949, 169420, 199348, 228323, 240340, 249185, 321898, 456646, 498370, 516731, 643796, 804745, 913292, 996740, 1033462, 1141615, 1609490, 2066924, 2283230, 2583655, 3218980, 4566460, 5167310, 9817889, 10334620, 19635778, 39271556, 49089445, 98178890, 196357780]

約数ペア:

[(1, 196357780), (2, 98178890), (4, 49089445), (5, 39271556), (10, 19635778), (19, 10334620), (20, 9817889), (38, 5167310), (43, 4566460), (61, 3218980), (76, 2583655), (86, 2283230), (95, 2066924), (122, 1609490), (172, 1141615), (190, 1033462), (197, 996740), (215, 913292), (244, 804745), (305, 643796), (380, 516731), (394, 498370), (430, 456646), (610, 321898), (788, 249185), (817, 240340), (860, 228323), (985, 199348), (1159, 169420), (1220, 160949), (1634, 120170), (1970, 99674), (2318, 84710), (2623, 74860), (3268, 60085), (3743, 52460), (3940, 49837), (4085, 48068), (4636, 42355), (5246, 37430), (5795, 33884), (7486, 26230), (8170, 24034), (8471, 23180), (10492, 18715), (11590, 16942), (12017, 16340), (13115, 14972)]