209147951800

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{145829}}^1$

素因数の和:146017

約数の個数: 96

約数和(自身を含む): 498003616800

約数和(自身を除く): 288855665000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 101, 142, 200, 202, 284, 355, 404, 505, 568, 710, 808, 1010, 1420, 1775, 2020, 2525, 2840, 3550, 4040, 5050, 7100, 7171, 10100, 14200, 14342, 20200, 28684, 35855, 57368, 71710, 143420, 145829, 179275, 286840, 291658, 358550, 583316, 717100, 729145, 1166632, 1434200, 1458290, 2916580, 3645725, 5833160, 7291450, 10353859, 14582900, 14728729, 20707718, 29165800, 29457458, 41415436, 51769295, 58914916, 73643645, 82830872, 103538590, 117829832, 147287290, 207077180, 258846475, 294574580, 368218225, 414154360, 517692950, 589149160, 736436450, 1035385900, 1045739759, 1472872900, 2070771800, 2091479518, 2945745800, 4182959036, 5228698795, 8365918072, 10457397590, 20914795180, 26143493975, 41829590360, 52286987950, 104573975900, 209147951800]

約数ペア:

[(1, 209147951800), (2, 104573975900), (4, 52286987950), (5, 41829590360), (8, 26143493975), (10, 20914795180), (20, 10457397590), (25, 8365918072), (40, 5228698795), (50, 4182959036), (71, 2945745800), (100, 2091479518), (101, 2070771800), (142, 1472872900), (200, 1045739759), (202, 1035385900), (284, 736436450), (355, 589149160), (404, 517692950), (505, 414154360), (568, 368218225), (710, 294574580), (808, 258846475), (1010, 207077180), (1420, 147287290), (1775, 117829832), (2020, 103538590), (2525, 82830872), (2840, 73643645), (3550, 58914916), (4040, 51769295), (5050, 41415436), (7100, 29457458), (7171, 29165800), (10100, 20707718), (14200, 14728729), (14342, 14582900), (20200, 10353859), (28684, 7291450), (35855, 5833160), (57368, 3645725), (71710, 2916580), (143420, 1458290), (145829, 1434200), (179275, 1166632), (286840, 729145), (291658, 717100), (358550, 583316)]