284909940

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3967}}^1$

素因数の和:4011

約数の個数: 192

約数和(自身を含む): 1066598400

約数和(自身を除く): 781688460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 54, 57, 60, 63, 70, 76, 84, 90, 95, 105, 108, 114, 126, 133, 135, 140, 171, 180, 189, 190, 210, 228, 252, 266, 270, 285, 315, 342, 378, 380, 399, 420, 513, 532, 540, 570, 630, 665, 684, 756, 798, 855, 945, 1026, 1140, 1197, 1260, 1330, 1596, 1710, 1890, 1995, 2052, 2394, 2565, 2660, 3420, 3591, 3780, 3967, 3990, 4788, 5130, 5985, 7182, 7934, 7980, 10260, 11901, 11970, 14364, 15868, 17955, 19835, 23802, 23940, 27769, 35703, 35910, 39670, 47604, 55538, 59505, 71406, 71820, 75373, 79340, 83307, 107109, 111076, 119010, 138845, 142812, 150746, 166614, 178515, 214218, 226119, 238020, 249921, 277690, 301492, 333228, 357030, 376865, 416535, 428436, 452238, 499842, 527611, 535545, 555380, 678357, 714060, 749763, 753730, 833070, 904476, 999684, 1055222, 1071090, 1130595, 1249605, 1356714, 1499526, 1507460, 1582833, 1666140, 2035071, 2110444, 2142180, 2261190, 2499210, 2638055, 2713428, 2999052, 3165666, 3391785, 3748815, 4070142, 4522380, 4748499, 4998420, 5276110, 6331332, 6783570, 7497630, 7914165, 8140284, 9496998, 10175355, 10552220, 13567140, 14245497, 14995260, 15828330, 18993996, 20350710, 23742495, 28490994, 31656660, 40701420, 47484990, 56981988, 71227485, 94969980, 142454970, 284909940]

約数ペア:

[(1, 284909940), (2, 142454970), (3, 94969980), (4, 71227485), (5, 56981988), (6, 47484990), (7, 40701420), (9, 31656660), (10, 28490994), (12, 23742495), (14, 20350710), (15, 18993996), (18, 15828330), (19, 14995260), (20, 14245497), (21, 13567140), (27, 10552220), (28, 10175355), (30, 9496998), (35, 8140284), (36, 7914165), (38, 7497630), (42, 6783570), (45, 6331332), (54, 5276110), (57, 4998420), (60, 4748499), (63, 4522380), (70, 4070142), (76, 3748815), (84, 3391785), (90, 3165666), (95, 2999052), (105, 2713428), (108, 2638055), (114, 2499210), (126, 2261190), (133, 2142180), (135, 2110444), (140, 2035071), (171, 1666140), (180, 1582833), (189, 1507460), (190, 1499526), (210, 1356714), (228, 1249605), (252, 1130595), (266, 1071090), (270, 1055222), (285, 999684), (315, 904476), (342, 833070), (378, 753730), (380, 749763), (399, 714060), (420, 678357), (513, 555380), (532, 535545), (540, 527611), (570, 499842), (630, 452238), (665, 428436), (684, 416535), (756, 376865), (798, 357030), (855, 333228), (945, 301492), (1026, 277690), (1140, 249921), (1197, 238020), (1260, 226119), (1330, 214218), (1596, 178515), (1710, 166614), (1890, 150746), (1995, 142812), (2052, 138845), (2394, 119010), (2565, 111076), (2660, 107109), (3420, 83307), (3591, 79340), (3780, 75373), (3967, 71820), (3990, 71406), (4788, 59505), (5130, 55538), (5985, 47604), (7182, 39670), (7934, 35910), (7980, 35703), (10260, 27769), (11901, 23940), (11970, 23802), (14364, 19835), (15868, 17955)]