179998910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{887}}^1$

素因数の和:1137

約数の個数: 64

約数和(自身を含む): 401006592

約数和(自身を除く): 221007682

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 223, 446, 455, 887, 910, 1115, 1561, 1774, 2230, 2899, 3122, 4435, 5798, 6209, 7805, 8870, 11531, 12418, 14495, 15610, 20293, 23062, 28990, 31045, 40586, 57655, 62090, 80717, 101465, 115310, 161434, 197801, 202930, 395602, 403585, 807170, 989005, 1384607, 1978010, 2571413, 2769214, 5142826, 6923035, 12857065, 13846070, 17999891, 25714130, 35999782, 89999455, 179998910]

約数ペア:

[(1, 179998910), (2, 89999455), (5, 35999782), (7, 25714130), (10, 17999891), (13, 13846070), (14, 12857065), (26, 6923035), (35, 5142826), (65, 2769214), (70, 2571413), (91, 1978010), (130, 1384607), (182, 989005), (223, 807170), (446, 403585), (455, 395602), (887, 202930), (910, 197801), (1115, 161434), (1561, 115310), (1774, 101465), (2230, 80717), (2899, 62090), (3122, 57655), (4435, 40586), (5798, 31045), (6209, 28990), (7805, 23062), (8870, 20293), (11531, 15610), (12418, 14495)]