217435860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{419}}^1$

素因数の和:499

約数の個数: 144

約数和(自身を含む): 700660800

約数和(自身を除く): 483224940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 90, 93, 108, 124, 135, 155, 180, 186, 270, 279, 310, 372, 419, 465, 540, 558, 620, 837, 838, 930, 961, 1116, 1257, 1395, 1674, 1676, 1860, 1922, 2095, 2514, 2790, 2883, 3348, 3771, 3844, 4185, 4190, 4805, 5028, 5580, 5766, 6285, 7542, 8370, 8380, 8649, 9610, 11313, 11532, 12570, 12989, 14415, 15084, 16740, 17298, 18855, 19220, 22626, 25140, 25947, 25978, 28830, 34596, 37710, 38967, 43245, 45252, 51894, 51956, 56565, 57660, 64945, 75420, 77934, 86490, 103788, 113130, 116901, 129735, 129890, 155868, 172980, 194835, 226260, 233802, 259470, 259780, 350703, 389670, 402659, 467604, 518940, 584505, 701406, 779340, 805318, 1169010, 1207977, 1402812, 1610636, 1753515, 2013295, 2338020, 2415954, 3507030, 3623931, 4026590, 4831908, 6039885, 7014060, 7247862, 8053180, 10871793, 12079770, 14495724, 18119655, 21743586, 24159540, 36239310, 43487172, 54358965, 72478620, 108717930, 217435860]

約数ペア:

[(1, 217435860), (2, 108717930), (3, 72478620), (4, 54358965), (5, 43487172), (6, 36239310), (9, 24159540), (10, 21743586), (12, 18119655), (15, 14495724), (18, 12079770), (20, 10871793), (27, 8053180), (30, 7247862), (31, 7014060), (36, 6039885), (45, 4831908), (54, 4026590), (60, 3623931), (62, 3507030), (90, 2415954), (93, 2338020), (108, 2013295), (124, 1753515), (135, 1610636), (155, 1402812), (180, 1207977), (186, 1169010), (270, 805318), (279, 779340), (310, 701406), (372, 584505), (419, 518940), (465, 467604), (540, 402659), (558, 389670), (620, 350703), (837, 259780), (838, 259470), (930, 233802), (961, 226260), (1116, 194835), (1257, 172980), (1395, 155868), (1674, 129890), (1676, 129735), (1860, 116901), (1922, 113130), (2095, 103788), (2514, 86490), (2790, 77934), (2883, 75420), (3348, 64945), (3771, 57660), (3844, 56565), (4185, 51956), (4190, 51894), (4805, 45252), (5028, 43245), (5580, 38967), (5766, 37710), (6285, 34596), (7542, 28830), (8370, 25978), (8380, 25947), (8649, 25140), (9610, 22626), (11313, 19220), (11532, 18855), (12570, 17298), (12989, 16740), (14415, 15084)]