390449340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{419}}^1$

素因数の和:632

約数の個数: 144

約数和(自身を含む): 1232824320

約数和(自身を除く): 842374980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 167, 180, 186, 279, 310, 334, 372, 419, 465, 501, 558, 620, 668, 835, 838, 930, 1002, 1116, 1257, 1395, 1503, 1670, 1676, 1860, 2004, 2095, 2505, 2514, 2790, 3006, 3340, 3771, 4190, 5010, 5028, 5177, 5580, 6012, 6285, 7515, 7542, 8380, 10020, 10354, 12570, 12989, 15030, 15084, 15531, 18855, 20708, 25140, 25885, 25978, 30060, 31062, 37710, 38967, 46593, 51770, 51956, 62124, 64945, 69973, 75420, 77655, 77934, 93186, 103540, 116901, 129890, 139946, 155310, 155868, 186372, 194835, 209919, 232965, 233802, 259780, 279892, 310620, 349865, 389670, 419838, 465930, 467604, 584505, 629757, 699730, 779340, 839676, 931860, 1049595, 1169010, 1259514, 1399460, 2099190, 2169163, 2338020, 2519028, 3148785, 4198380, 4338326, 6297570, 6507489, 8676652, 10845815, 12595140, 13014978, 19522467, 21691630, 26029956, 32537445, 39044934, 43383260, 65074890, 78089868, 97612335, 130149780, 195224670, 390449340]

約数ペア:

[(1, 390449340), (2, 195224670), (3, 130149780), (4, 97612335), (5, 78089868), (6, 65074890), (9, 43383260), (10, 39044934), (12, 32537445), (15, 26029956), (18, 21691630), (20, 19522467), (30, 13014978), (31, 12595140), (36, 10845815), (45, 8676652), (60, 6507489), (62, 6297570), (90, 4338326), (93, 4198380), (124, 3148785), (155, 2519028), (167, 2338020), (180, 2169163), (186, 2099190), (279, 1399460), (310, 1259514), (334, 1169010), (372, 1049595), (419, 931860), (465, 839676), (501, 779340), (558, 699730), (620, 629757), (668, 584505), (835, 467604), (838, 465930), (930, 419838), (1002, 389670), (1116, 349865), (1257, 310620), (1395, 279892), (1503, 259780), (1670, 233802), (1676, 232965), (1860, 209919), (2004, 194835), (2095, 186372), (2505, 155868), (2514, 155310), (2790, 139946), (3006, 129890), (3340, 116901), (3771, 103540), (4190, 93186), (5010, 77934), (5028, 77655), (5177, 75420), (5580, 69973), (6012, 64945), (6285, 62124), (7515, 51956), (7542, 51770), (8380, 46593), (10020, 38967), (10354, 37710), (12570, 31062), (12989, 30060), (15030, 25978), (15084, 25885), (15531, 25140), (18855, 20708)]