31810900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^3\times {\mathrm{239}}^1$

素因数の和:286

約数の個数: 72

約数和(自身を含む): 76245120

約数和(自身を除く): 44434220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 220, 239, 242, 275, 478, 484, 550, 605, 956, 1100, 1195, 1210, 1331, 2390, 2420, 2629, 2662, 3025, 4780, 5258, 5324, 5975, 6050, 6655, 10516, 11950, 12100, 13145, 13310, 23900, 26290, 26620, 28919, 33275, 52580, 57838, 65725, 66550, 115676, 131450, 133100, 144595, 262900, 289190, 318109, 578380, 636218, 722975, 1272436, 1445950, 1590545, 2891900, 3181090, 6362180, 7952725, 15905450, 31810900]

約数ペア:

[(1, 31810900), (2, 15905450), (4, 7952725), (5, 6362180), (10, 3181090), (11, 2891900), (20, 1590545), (22, 1445950), (25, 1272436), (44, 722975), (50, 636218), (55, 578380), (100, 318109), (110, 289190), (121, 262900), (220, 144595), (239, 133100), (242, 131450), (275, 115676), (478, 66550), (484, 65725), (550, 57838), (605, 52580), (956, 33275), (1100, 28919), (1195, 26620), (1210, 26290), (1331, 23900), (2390, 13310), (2420, 13145), (2629, 12100), (2662, 11950), (3025, 10516), (4780, 6655), (5258, 6050), (5324, 5975)]