248963480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:225

約数の個数: 128

約数和(自身を含む): 609638400

約数和(自身を除く): 360674920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 59, 62, 82, 83, 118, 124, 155, 164, 166, 205, 236, 248, 295, 310, 328, 332, 410, 415, 472, 590, 620, 664, 820, 830, 1180, 1240, 1271, 1640, 1660, 1829, 2360, 2419, 2542, 2573, 3320, 3403, 3658, 4838, 4897, 5084, 5146, 6355, 6806, 7316, 9145, 9676, 9794, 10168, 10292, 12095, 12710, 12865, 13612, 14632, 17015, 18290, 19352, 19588, 20584, 24190, 24485, 25420, 25730, 27224, 34030, 36580, 39176, 48380, 48970, 50840, 51460, 68060, 73160, 74989, 96760, 97940, 102920, 105493, 136120, 149978, 151807, 195880, 200777, 210986, 299956, 303614, 374945, 401554, 421972, 527465, 599912, 607228, 749890, 759035, 803108, 843944, 1003885, 1054930, 1214456, 1499780, 1518070, 1606216, 2007770, 2109860, 2999560, 3036140, 4015540, 4219720, 6072280, 6224087, 8031080, 12448174, 24896348, 31120435, 49792696, 62240870, 124481740, 248963480]

約数ペア:

[(1, 248963480), (2, 124481740), (4, 62240870), (5, 49792696), (8, 31120435), (10, 24896348), (20, 12448174), (31, 8031080), (40, 6224087), (41, 6072280), (59, 4219720), (62, 4015540), (82, 3036140), (83, 2999560), (118, 2109860), (124, 2007770), (155, 1606216), (164, 1518070), (166, 1499780), (205, 1214456), (236, 1054930), (248, 1003885), (295, 843944), (310, 803108), (328, 759035), (332, 749890), (410, 607228), (415, 599912), (472, 527465), (590, 421972), (620, 401554), (664, 374945), (820, 303614), (830, 299956), (1180, 210986), (1240, 200777), (1271, 195880), (1640, 151807), (1660, 149978), (1829, 136120), (2360, 105493), (2419, 102920), (2542, 97940), (2573, 96760), (3320, 74989), (3403, 73160), (3658, 68060), (4838, 51460), (4897, 50840), (5084, 48970), (5146, 48380), (6355, 39176), (6806, 36580), (7316, 34030), (9145, 27224), (9676, 25730), (9794, 25420), (10168, 24485), (10292, 24190), (12095, 20584), (12710, 19588), (12865, 19352), (13612, 18290), (14632, 17015)]