25277220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{389}}^1$

素因数の和:442

約数の個数: 108

約数和(自身を含む): 81130140

約数和(自身を除く): 55852920

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 361, 380, 389, 570, 684, 722, 778, 855, 1083, 1140, 1167, 1444, 1556, 1710, 1805, 1945, 2166, 2334, 3249, 3420, 3501, 3610, 3890, 4332, 4668, 5415, 5835, 6498, 7002, 7220, 7391, 7780, 10830, 11670, 12996, 14004, 14782, 16245, 17505, 21660, 22173, 23340, 29564, 32490, 35010, 36955, 44346, 64980, 66519, 70020, 73910, 88692, 110865, 133038, 140429, 147820, 221730, 266076, 280858, 332595, 421287, 443460, 561716, 665190, 702145, 842574, 1263861, 1330380, 1404290, 1685148, 2106435, 2527722, 2808580, 4212870, 5055444, 6319305, 8425740, 12638610, 25277220]

約数ペア:

[(1, 25277220), (2, 12638610), (3, 8425740), (4, 6319305), (5, 5055444), (6, 4212870), (9, 2808580), (10, 2527722), (12, 2106435), (15, 1685148), (18, 1404290), (19, 1330380), (20, 1263861), (30, 842574), (36, 702145), (38, 665190), (45, 561716), (57, 443460), (60, 421287), (76, 332595), (90, 280858), (95, 266076), (114, 221730), (171, 147820), (180, 140429), (190, 133038), (228, 110865), (285, 88692), (342, 73910), (361, 70020), (380, 66519), (389, 64980), (570, 44346), (684, 36955), (722, 35010), (778, 32490), (855, 29564), (1083, 23340), (1140, 22173), (1167, 21660), (1444, 17505), (1556, 16245), (1710, 14782), (1805, 14004), (1945, 12996), (2166, 11670), (2334, 10830), (3249, 7780), (3420, 7391), (3501, 7220), (3610, 7002), (3890, 6498), (4332, 5835), (4668, 5415)]