17241740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 40745040

約数和(自身を除く): 23503300

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 157, 170, 190, 289, 314, 323, 340, 380, 578, 628, 646, 785, 1156, 1292, 1445, 1570, 1615, 2669, 2890, 2983, 3140, 3230, 5338, 5491, 5780, 5966, 6460, 10676, 10982, 11932, 13345, 14915, 21964, 26690, 27455, 29830, 45373, 50711, 53380, 54910, 59660, 90746, 101422, 109820, 181492, 202844, 226865, 253555, 453730, 507110, 862087, 907460, 1014220, 1724174, 3448348, 4310435, 8620870, 17241740]

約数ペア:

[(1, 17241740), (2, 8620870), (4, 4310435), (5, 3448348), (10, 1724174), (17, 1014220), (19, 907460), (20, 862087), (34, 507110), (38, 453730), (68, 253555), (76, 226865), (85, 202844), (95, 181492), (157, 109820), (170, 101422), (190, 90746), (289, 59660), (314, 54910), (323, 53380), (340, 50711), (380, 45373), (578, 29830), (628, 27455), (646, 26690), (785, 21964), (1156, 14915), (1292, 13345), (1445, 11932), (1570, 10982), (1615, 10676), (2669, 6460), (2890, 5966), (2983, 5780), (3140, 5491), (3230, 5338)]