138791940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:234

約数の個数: 192

約数和(自身を含む): 464486400

約数和(自身を除く): 325694460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 60, 70, 79, 84, 89, 94, 105, 140, 141, 158, 178, 188, 210, 235, 237, 267, 282, 316, 329, 356, 395, 420, 445, 470, 474, 534, 553, 564, 623, 658, 705, 790, 890, 940, 948, 987, 1068, 1106, 1185, 1246, 1316, 1335, 1410, 1580, 1645, 1659, 1780, 1869, 1974, 2212, 2370, 2492, 2670, 2765, 2820, 3115, 3290, 3318, 3713, 3738, 3948, 4183, 4740, 4935, 5340, 5530, 6230, 6580, 6636, 7031, 7426, 7476, 8295, 8366, 9345, 9870, 11060, 11139, 12460, 12549, 14062, 14852, 16590, 16732, 18565, 18690, 19740, 20915, 21093, 22278, 25098, 25991, 28124, 29281, 33180, 35155, 37130, 37380, 41830, 42186, 44556, 49217, 50196, 51982, 55695, 58562, 62745, 70310, 74260, 77973, 83660, 84372, 87843, 98434, 103964, 105465, 111390, 117124, 125490, 129955, 140620, 146405, 147651, 155946, 175686, 196868, 210930, 222780, 246085, 250980, 259910, 292810, 295302, 311892, 330457, 351372, 389865, 421860, 439215, 492170, 519820, 585620, 590604, 660914, 738255, 779730, 878430, 984340, 991371, 1321828, 1476510, 1559460, 1652285, 1756860, 1982742, 2313199, 2953020, 3304570, 3965484, 4626398, 4956855, 6609140, 6939597, 9252796, 9913710, 11565995, 13879194, 19827420, 23131990, 27758388, 34697985, 46263980, 69395970, 138791940]

約数ペア:

[(1, 138791940), (2, 69395970), (3, 46263980), (4, 34697985), (5, 27758388), (6, 23131990), (7, 19827420), (10, 13879194), (12, 11565995), (14, 9913710), (15, 9252796), (20, 6939597), (21, 6609140), (28, 4956855), (30, 4626398), (35, 3965484), (42, 3304570), (47, 2953020), (60, 2313199), (70, 1982742), (79, 1756860), (84, 1652285), (89, 1559460), (94, 1476510), (105, 1321828), (140, 991371), (141, 984340), (158, 878430), (178, 779730), (188, 738255), (210, 660914), (235, 590604), (237, 585620), (267, 519820), (282, 492170), (316, 439215), (329, 421860), (356, 389865), (395, 351372), (420, 330457), (445, 311892), (470, 295302), (474, 292810), (534, 259910), (553, 250980), (564, 246085), (623, 222780), (658, 210930), (705, 196868), (790, 175686), (890, 155946), (940, 147651), (948, 146405), (987, 140620), (1068, 129955), (1106, 125490), (1185, 117124), (1246, 111390), (1316, 105465), (1335, 103964), (1410, 98434), (1580, 87843), (1645, 84372), (1659, 83660), (1780, 77973), (1869, 74260), (1974, 70310), (2212, 62745), (2370, 58562), (2492, 55695), (2670, 51982), (2765, 50196), (2820, 49217), (3115, 44556), (3290, 42186), (3318, 41830), (3713, 37380), (3738, 37130), (3948, 35155), (4183, 33180), (4740, 29281), (4935, 28124), (5340, 25991), (5530, 25098), (6230, 22278), (6580, 21093), (6636, 20915), (7031, 19740), (7426, 18690), (7476, 18565), (8295, 16732), (8366, 16590), (9345, 14852), (9870, 14062), (11060, 12549), (11139, 12460)]