188948720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1249}}^1$

素因数の和:1354

約数の個数: 80

約数和(自身を含む): 461280000

約数和(自身を除く): 272331280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 61, 62, 80, 122, 124, 155, 244, 248, 305, 310, 488, 496, 610, 620, 976, 1220, 1240, 1249, 1891, 2440, 2480, 2498, 3782, 4880, 4996, 6245, 7564, 9455, 9992, 12490, 15128, 18910, 19984, 24980, 30256, 37820, 38719, 49960, 75640, 76189, 77438, 99920, 151280, 152378, 154876, 193595, 304756, 309752, 380945, 387190, 609512, 619504, 761890, 774380, 1219024, 1523780, 1548760, 2361859, 3047560, 3097520, 4723718, 6095120, 9447436, 11809295, 18894872, 23618590, 37789744, 47237180, 94474360, 188948720]

約数ペア:

[(1, 188948720), (2, 94474360), (4, 47237180), (5, 37789744), (8, 23618590), (10, 18894872), (16, 11809295), (20, 9447436), (31, 6095120), (40, 4723718), (61, 3097520), (62, 3047560), (80, 2361859), (122, 1548760), (124, 1523780), (155, 1219024), (244, 774380), (248, 761890), (305, 619504), (310, 609512), (488, 387190), (496, 380945), (610, 309752), (620, 304756), (976, 193595), (1220, 154876), (1240, 152378), (1249, 151280), (1891, 99920), (2440, 77438), (2480, 76189), (2498, 75640), (3782, 49960), (4880, 38719), (4996, 37820), (6245, 30256), (7564, 24980), (9455, 19984), (9992, 18910), (12490, 15128)]