1738502440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:491

約数の個数: 128

約数和(自身を含む): 4178304000

約数和(自身を除く): 2439801560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 61, 79, 116, 122, 145, 158, 232, 244, 290, 305, 311, 316, 395, 488, 580, 610, 622, 632, 790, 1160, 1220, 1244, 1555, 1580, 1769, 2291, 2440, 2488, 3110, 3160, 3538, 4582, 4819, 6220, 7076, 8845, 9019, 9164, 9638, 11455, 12440, 14152, 17690, 18038, 18328, 18971, 19276, 22910, 24095, 24569, 35380, 36076, 37942, 38552, 45095, 45820, 48190, 49138, 70760, 72152, 75884, 90190, 91640, 94855, 96380, 98276, 122845, 139751, 151768, 180380, 189710, 192760, 196552, 245690, 279502, 360760, 379420, 491380, 550159, 559004, 698755, 712501, 758840, 982760, 1100318, 1118008, 1397510, 1425002, 1498709, 2200636, 2750795, 2795020, 2850004, 2997418, 3562505, 4401272, 5501590, 5590040, 5700008, 5994836, 7125010, 7493545, 11003180, 11989672, 14250020, 14987090, 22006360, 28500040, 29974180, 43462561, 59948360, 86925122, 173850244, 217312805, 347700488, 434625610, 869251220, 1738502440]

約数ペア:

[(1, 1738502440), (2, 869251220), (4, 434625610), (5, 347700488), (8, 217312805), (10, 173850244), (20, 86925122), (29, 59948360), (40, 43462561), (58, 29974180), (61, 28500040), (79, 22006360), (116, 14987090), (122, 14250020), (145, 11989672), (158, 11003180), (232, 7493545), (244, 7125010), (290, 5994836), (305, 5700008), (311, 5590040), (316, 5501590), (395, 4401272), (488, 3562505), (580, 2997418), (610, 2850004), (622, 2795020), (632, 2750795), (790, 2200636), (1160, 1498709), (1220, 1425002), (1244, 1397510), (1555, 1118008), (1580, 1100318), (1769, 982760), (2291, 758840), (2440, 712501), (2488, 698755), (3110, 559004), (3160, 550159), (3538, 491380), (4582, 379420), (4819, 360760), (6220, 279502), (7076, 245690), (8845, 196552), (9019, 192760), (9164, 189710), (9638, 180380), (11455, 151768), (12440, 139751), (14152, 122845), (17690, 98276), (18038, 96380), (18328, 94855), (18971, 91640), (19276, 90190), (22910, 75884), (24095, 72152), (24569, 70760), (35380, 49138), (36076, 48190), (37942, 45820), (38552, 45095)]