215936500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:410

約数の個数: 96

約数和(自身を含む): 513676800

約数和(自身を除く): 297740300

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 139, 239, 250, 260, 278, 325, 478, 500, 556, 650, 695, 956, 1195, 1300, 1390, 1625, 1807, 2390, 2780, 3107, 3250, 3475, 3614, 4780, 5975, 6214, 6500, 6950, 7228, 9035, 11950, 12428, 13900, 15535, 17375, 18070, 23900, 29875, 31070, 33221, 34750, 36140, 45175, 59750, 62140, 66442, 69500, 77675, 90350, 119500, 132884, 155350, 166105, 180700, 225875, 310700, 332210, 388375, 431873, 451750, 664420, 776750, 830525, 863746, 903500, 1553500, 1661050, 1727492, 2159365, 3322100, 4152625, 4318730, 8305250, 8637460, 10796825, 16610500, 21593650, 43187300, 53984125, 107968250, 215936500]

約数ペア:

[(1, 215936500), (2, 107968250), (4, 53984125), (5, 43187300), (10, 21593650), (13, 16610500), (20, 10796825), (25, 8637460), (26, 8305250), (50, 4318730), (52, 4152625), (65, 3322100), (100, 2159365), (125, 1727492), (130, 1661050), (139, 1553500), (239, 903500), (250, 863746), (260, 830525), (278, 776750), (325, 664420), (478, 451750), (500, 431873), (556, 388375), (650, 332210), (695, 310700), (956, 225875), (1195, 180700), (1300, 166105), (1390, 155350), (1625, 132884), (1807, 119500), (2390, 90350), (2780, 77675), (3107, 69500), (3250, 66442), (3475, 62140), (3614, 59750), (4780, 45175), (5975, 36140), (6214, 34750), (6500, 33221), (6950, 31070), (7228, 29875), (9035, 23900), (11950, 18070), (12428, 17375), (13900, 15535)]