89170900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:314

約数の個数: 144

約数和(自身を含む): 244984320

約数和(自身を除く): 155813420

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 41, 50, 52, 65, 70, 82, 91, 100, 130, 140, 164, 175, 182, 205, 239, 260, 287, 325, 350, 364, 410, 455, 478, 533, 574, 650, 700, 820, 910, 956, 1025, 1066, 1148, 1195, 1300, 1435, 1673, 1820, 2050, 2132, 2275, 2390, 2665, 2870, 3107, 3346, 3731, 4100, 4550, 4780, 5330, 5740, 5975, 6214, 6692, 7175, 7462, 8365, 9100, 9799, 10660, 11950, 12428, 13325, 14350, 14924, 15535, 16730, 18655, 19598, 21749, 23900, 26650, 28700, 31070, 33460, 37310, 39196, 41825, 43498, 48995, 53300, 62140, 68593, 74620, 77675, 83650, 86996, 93275, 97990, 108745, 127387, 137186, 155350, 167300, 186550, 195980, 217490, 244975, 254774, 274372, 310700, 342965, 373100, 434980, 489950, 509548, 543725, 636935, 685930, 891709, 979900, 1087450, 1273870, 1371860, 1714825, 1783418, 2174900, 2547740, 3184675, 3429650, 3566836, 4458545, 6369350, 6859300, 8917090, 12738700, 17834180, 22292725, 44585450, 89170900]

約数ペア:

[(1, 89170900), (2, 44585450), (4, 22292725), (5, 17834180), (7, 12738700), (10, 8917090), (13, 6859300), (14, 6369350), (20, 4458545), (25, 3566836), (26, 3429650), (28, 3184675), (35, 2547740), (41, 2174900), (50, 1783418), (52, 1714825), (65, 1371860), (70, 1273870), (82, 1087450), (91, 979900), (100, 891709), (130, 685930), (140, 636935), (164, 543725), (175, 509548), (182, 489950), (205, 434980), (239, 373100), (260, 342965), (287, 310700), (325, 274372), (350, 254774), (364, 244975), (410, 217490), (455, 195980), (478, 186550), (533, 167300), (574, 155350), (650, 137186), (700, 127387), (820, 108745), (910, 97990), (956, 93275), (1025, 86996), (1066, 83650), (1148, 77675), (1195, 74620), (1300, 68593), (1435, 62140), (1673, 53300), (1820, 48995), (2050, 43498), (2132, 41825), (2275, 39196), (2390, 37310), (2665, 33460), (2870, 31070), (3107, 28700), (3346, 26650), (3731, 23900), (4100, 21749), (4550, 19598), (4780, 18655), (5330, 16730), (5740, 15535), (5975, 14924), (6214, 14350), (6692, 13325), (7175, 12428), (7462, 11950), (8365, 10660), (9100, 9799)]