171807220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:361

約数の個数: 96

約数和(自身を含む): 405409536

約数和(自身を除く): 233602316

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 71, 82, 130, 142, 164, 205, 227, 260, 284, 355, 410, 454, 533, 710, 820, 908, 923, 1066, 1135, 1420, 1846, 2132, 2270, 2665, 2911, 2951, 3692, 4540, 4615, 5330, 5822, 5902, 9230, 9307, 10660, 11644, 11804, 14555, 14755, 16117, 18460, 18614, 29110, 29510, 32234, 37228, 37843, 46535, 58220, 59020, 64468, 75686, 80585, 93070, 120991, 151372, 161170, 186140, 189215, 209521, 241982, 322340, 378430, 419042, 483964, 604955, 660797, 756860, 838084, 1047605, 1209910, 1321594, 2095210, 2419820, 2643188, 3303985, 4190420, 6607970, 8590361, 13215940, 17180722, 34361444, 42951805, 85903610, 171807220]

約数ペア:

[(1, 171807220), (2, 85903610), (4, 42951805), (5, 34361444), (10, 17180722), (13, 13215940), (20, 8590361), (26, 6607970), (41, 4190420), (52, 3303985), (65, 2643188), (71, 2419820), (82, 2095210), (130, 1321594), (142, 1209910), (164, 1047605), (205, 838084), (227, 756860), (260, 660797), (284, 604955), (355, 483964), (410, 419042), (454, 378430), (533, 322340), (710, 241982), (820, 209521), (908, 189215), (923, 186140), (1066, 161170), (1135, 151372), (1420, 120991), (1846, 93070), (2132, 80585), (2270, 75686), (2665, 64468), (2911, 59020), (2951, 58220), (3692, 46535), (4540, 37843), (4615, 37228), (5330, 32234), (5822, 29510), (5902, 29110), (9230, 18614), (9307, 18460), (10660, 16117), (11644, 14755), (11804, 14555)]