31208450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^3$

素因数の和:89

約数の個数: 96

約数和(自身を含む): 75411840

約数和(自身を除く): 44203390

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 25, 26, 35, 38, 50, 65, 70, 91, 95, 130, 133, 175, 182, 190, 247, 266, 325, 350, 361, 455, 475, 494, 650, 665, 722, 910, 950, 1235, 1330, 1729, 1805, 2275, 2470, 2527, 3325, 3458, 3610, 4550, 4693, 5054, 6175, 6650, 6859, 8645, 9025, 9386, 12350, 12635, 13718, 17290, 18050, 23465, 25270, 32851, 34295, 43225, 46930, 48013, 63175, 65702, 68590, 86450, 89167, 96026, 117325, 126350, 164255, 171475, 178334, 234650, 240065, 328510, 342950, 445835, 480130, 624169, 821275, 891670, 1200325, 1248338, 1642550, 2229175, 2400650, 3120845, 4458350, 6241690, 15604225, 31208450]

約数ペア:

[(1, 31208450), (2, 15604225), (5, 6241690), (7, 4458350), (10, 3120845), (13, 2400650), (14, 2229175), (19, 1642550), (25, 1248338), (26, 1200325), (35, 891670), (38, 821275), (50, 624169), (65, 480130), (70, 445835), (91, 342950), (95, 328510), (130, 240065), (133, 234650), (175, 178334), (182, 171475), (190, 164255), (247, 126350), (266, 117325), (325, 96026), (350, 89167), (361, 86450), (455, 68590), (475, 65702), (494, 63175), (650, 48013), (665, 46930), (722, 43225), (910, 34295), (950, 32851), (1235, 25270), (1330, 23465), (1729, 18050), (1805, 17290), (2275, 13718), (2470, 12635), (2527, 12350), (3325, 9386), (3458, 9025), (3610, 8645), (4550, 6859), (4693, 6650), (5054, 6175)]