189971860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:385

約数の個数: 96

約数和(自身を含む): 448084224

約数和(自身を除く): 258112364

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 71, 82, 130, 142, 164, 205, 251, 260, 284, 355, 410, 502, 533, 710, 820, 923, 1004, 1066, 1255, 1420, 1846, 2132, 2510, 2665, 2911, 3263, 3692, 4615, 5020, 5330, 5822, 6526, 9230, 10291, 10660, 11644, 13052, 14555, 16315, 17821, 18460, 20582, 29110, 32630, 35642, 37843, 41164, 51455, 58220, 65260, 71284, 75686, 89105, 102910, 133783, 151372, 178210, 189215, 205820, 231673, 267566, 356420, 378430, 463346, 535132, 668915, 730661, 756860, 926692, 1158365, 1337830, 1461322, 2316730, 2675660, 2922644, 3653305, 4633460, 7306610, 9498593, 14613220, 18997186, 37994372, 47492965, 94985930, 189971860]

約数ペア:

[(1, 189971860), (2, 94985930), (4, 47492965), (5, 37994372), (10, 18997186), (13, 14613220), (20, 9498593), (26, 7306610), (41, 4633460), (52, 3653305), (65, 2922644), (71, 2675660), (82, 2316730), (130, 1461322), (142, 1337830), (164, 1158365), (205, 926692), (251, 756860), (260, 730661), (284, 668915), (355, 535132), (410, 463346), (502, 378430), (533, 356420), (710, 267566), (820, 231673), (923, 205820), (1004, 189215), (1066, 178210), (1255, 151372), (1420, 133783), (1846, 102910), (2132, 89105), (2510, 75686), (2665, 71284), (2911, 65260), (3263, 58220), (3692, 51455), (4615, 41164), (5020, 37843), (5330, 35642), (5822, 32630), (6526, 29110), (9230, 20582), (10291, 18460), (10660, 17821), (11644, 16315), (13052, 14555)]