28654340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:309

約数の個数: 96

約数和(自身を含む): 72648576

約数和(自身を除く): 43994236

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 43, 44, 52, 55, 65, 86, 110, 130, 143, 172, 215, 220, 233, 260, 286, 430, 466, 473, 559, 572, 715, 860, 932, 946, 1118, 1165, 1430, 1892, 2236, 2330, 2365, 2563, 2795, 2860, 3029, 4660, 4730, 5126, 5590, 6058, 6149, 9460, 10019, 10252, 11180, 12116, 12298, 12815, 15145, 20038, 24596, 25630, 30290, 30745, 33319, 40076, 50095, 51260, 60580, 61490, 66638, 100190, 110209, 122980, 130247, 133276, 166595, 200380, 220418, 260494, 333190, 440836, 520988, 551045, 651235, 666380, 1102090, 1302470, 1432717, 2204180, 2604940, 2865434, 5730868, 7163585, 14327170, 28654340]

約数ペア:

[(1, 28654340), (2, 14327170), (4, 7163585), (5, 5730868), (10, 2865434), (11, 2604940), (13, 2204180), (20, 1432717), (22, 1302470), (26, 1102090), (43, 666380), (44, 651235), (52, 551045), (55, 520988), (65, 440836), (86, 333190), (110, 260494), (130, 220418), (143, 200380), (172, 166595), (215, 133276), (220, 130247), (233, 122980), (260, 110209), (286, 100190), (430, 66638), (466, 61490), (473, 60580), (559, 51260), (572, 50095), (715, 40076), (860, 33319), (932, 30745), (946, 30290), (1118, 25630), (1165, 24596), (1430, 20038), (1892, 15145), (2236, 12815), (2330, 12298), (2365, 12116), (2563, 11180), (2795, 10252), (2860, 10019), (3029, 9460), (4660, 6149), (4730, 6058), (5126, 5590)]