248493520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{9109}}^1$

素因数の和:9164

約数の個数: 80

約数和(自身を含む): 650672640

約数和(自身を除く): 402179120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3410, 5456, 6820, 9109, 13640, 18218, 27280, 36436, 45545, 72872, 91090, 100199, 145744, 182180, 200398, 282379, 364360, 400796, 500995, 564758, 728720, 801592, 1001990, 1129516, 1411895, 1603184, 2003980, 2259032, 2823790, 3106169, 4007960, 4518064, 5647580, 6212338, 8015920, 11295160, 12424676, 15530845, 22590320, 24849352, 31061690, 49698704, 62123380, 124246760, 248493520]

約数ペア:

[(1, 248493520), (2, 124246760), (4, 62123380), (5, 49698704), (8, 31061690), (10, 24849352), (11, 22590320), (16, 15530845), (20, 12424676), (22, 11295160), (31, 8015920), (40, 6212338), (44, 5647580), (55, 4518064), (62, 4007960), (80, 3106169), (88, 2823790), (110, 2259032), (124, 2003980), (155, 1603184), (176, 1411895), (220, 1129516), (248, 1001990), (310, 801592), (341, 728720), (440, 564758), (496, 500995), (620, 400796), (682, 364360), (880, 282379), (1240, 200398), (1364, 182180), (1705, 145744), (2480, 100199), (2728, 91090), (3410, 72872), (5456, 45545), (6820, 36436), (9109, 27280), (13640, 18218)]