217202720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2179}}^1$

素因数の和:2290

約数の個数: 96

約数和(自身を含む): 593308800

約数和(自身を除く): 376106080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 89, 112, 140, 160, 178, 224, 280, 356, 445, 560, 623, 712, 890, 1120, 1246, 1424, 1780, 2179, 2492, 2848, 3115, 3560, 4358, 4984, 6230, 7120, 8716, 9968, 10895, 12460, 14240, 15253, 17432, 19936, 21790, 24920, 30506, 34864, 43580, 49840, 61012, 69728, 76265, 87160, 99680, 122024, 152530, 174320, 193931, 244048, 305060, 348640, 387862, 488096, 610120, 775724, 969655, 1220240, 1357517, 1551448, 1939310, 2440480, 2715034, 3102896, 3878620, 5430068, 6205792, 6787585, 7757240, 10860136, 13575170, 15514480, 21720272, 27150340, 31028960, 43440544, 54300680, 108601360, 217202720]

約数ペア:

[(1, 217202720), (2, 108601360), (4, 54300680), (5, 43440544), (7, 31028960), (8, 27150340), (10, 21720272), (14, 15514480), (16, 13575170), (20, 10860136), (28, 7757240), (32, 6787585), (35, 6205792), (40, 5430068), (56, 3878620), (70, 3102896), (80, 2715034), (89, 2440480), (112, 1939310), (140, 1551448), (160, 1357517), (178, 1220240), (224, 969655), (280, 775724), (356, 610120), (445, 488096), (560, 387862), (623, 348640), (712, 305060), (890, 244048), (1120, 193931), (1246, 174320), (1424, 152530), (1780, 122024), (2179, 99680), (2492, 87160), (2848, 76265), (3115, 69728), (3560, 61012), (4358, 49840), (4984, 43580), (6230, 34864), (7120, 30506), (8716, 24920), (9968, 21790), (10895, 19936), (12460, 17432), (14240, 15253)]