1005436900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{4273}}^1$

素因数の和:4481

約数の個数: 72

約数和(自身を含む): 2363162984

約数和(自身を除く): 1357726084

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 181, 260, 325, 362, 650, 724, 905, 1300, 1810, 2353, 3620, 4273, 4525, 4706, 8546, 9050, 9412, 11765, 17092, 18100, 21365, 23530, 42730, 47060, 55549, 58825, 85460, 106825, 111098, 117650, 213650, 222196, 235300, 277745, 427300, 555490, 773413, 1110980, 1388725, 1546826, 2777450, 3093652, 3867065, 5554900, 7734130, 10054369, 15468260, 19335325, 20108738, 38670650, 40217476, 50271845, 77341300, 100543690, 201087380, 251359225, 502718450, 1005436900]

約数ペア:

[(1, 1005436900), (2, 502718450), (4, 251359225), (5, 201087380), (10, 100543690), (13, 77341300), (20, 50271845), (25, 40217476), (26, 38670650), (50, 20108738), (52, 19335325), (65, 15468260), (100, 10054369), (130, 7734130), (181, 5554900), (260, 3867065), (325, 3093652), (362, 2777450), (650, 1546826), (724, 1388725), (905, 1110980), (1300, 773413), (1810, 555490), (2353, 427300), (3620, 277745), (4273, 235300), (4525, 222196), (4706, 213650), (8546, 117650), (9050, 111098), (9412, 106825), (11765, 85460), (17092, 58825), (18100, 55549), (21365, 47060), (23530, 42730)]