28535180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:179

約数の個数: 96

約数和(自身を含む): 68584320

約数和(自身を除く): 40049140

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 41, 46, 68, 82, 85, 89, 92, 115, 164, 170, 178, 205, 230, 340, 356, 391, 410, 445, 460, 697, 782, 820, 890, 943, 1394, 1513, 1564, 1780, 1886, 1955, 2047, 2788, 3026, 3485, 3649, 3772, 3910, 4094, 4715, 6052, 6970, 7298, 7565, 7820, 8188, 9430, 10235, 13940, 14596, 15130, 16031, 18245, 18860, 20470, 30260, 32062, 34799, 36490, 40940, 62033, 64124, 69598, 72980, 80155, 83927, 124066, 139196, 160310, 167854, 173995, 248132, 310165, 320620, 335708, 347990, 419635, 620330, 695980, 839270, 1240660, 1426759, 1678540, 2853518, 5707036, 7133795, 14267590, 28535180]

約数ペア:

[(1, 28535180), (2, 14267590), (4, 7133795), (5, 5707036), (10, 2853518), (17, 1678540), (20, 1426759), (23, 1240660), (34, 839270), (41, 695980), (46, 620330), (68, 419635), (82, 347990), (85, 335708), (89, 320620), (92, 310165), (115, 248132), (164, 173995), (170, 167854), (178, 160310), (205, 139196), (230, 124066), (340, 83927), (356, 80155), (391, 72980), (410, 69598), (445, 64124), (460, 62033), (697, 40940), (782, 36490), (820, 34799), (890, 32062), (943, 30260), (1394, 20470), (1513, 18860), (1564, 18245), (1780, 16031), (1886, 15130), (1955, 14596), (2047, 13940), (2788, 10235), (3026, 9430), (3485, 8188), (3649, 7820), (3772, 7565), (3910, 7298), (4094, 6970), (4715, 6052)]