99111980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:351

約数の個数: 96

約数和(自身を含む): 242161920

約数和(自身を除く): 143049940

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 131, 181, 190, 209, 220, 262, 362, 380, 418, 524, 655, 724, 836, 905, 1045, 1310, 1441, 1810, 1991, 2090, 2489, 2620, 2882, 3439, 3620, 3982, 4180, 4978, 5764, 6878, 7205, 7964, 9955, 9956, 12445, 13756, 14410, 17195, 19910, 23711, 24890, 27379, 28820, 34390, 37829, 39820, 47422, 49780, 54758, 68780, 75658, 94844, 109516, 118555, 136895, 151316, 189145, 237110, 260821, 273790, 378290, 450509, 474220, 521642, 547580, 756580, 901018, 1043284, 1304105, 1802036, 2252545, 2608210, 4505090, 4955599, 5216420, 9010180, 9911198, 19822396, 24777995, 49555990, 99111980]

約数ペア:

[(1, 99111980), (2, 49555990), (4, 24777995), (5, 19822396), (10, 9911198), (11, 9010180), (19, 5216420), (20, 4955599), (22, 4505090), (38, 2608210), (44, 2252545), (55, 1802036), (76, 1304105), (95, 1043284), (110, 901018), (131, 756580), (181, 547580), (190, 521642), (209, 474220), (220, 450509), (262, 378290), (362, 273790), (380, 260821), (418, 237110), (524, 189145), (655, 151316), (724, 136895), (836, 118555), (905, 109516), (1045, 94844), (1310, 75658), (1441, 68780), (1810, 54758), (1991, 49780), (2090, 47422), (2489, 39820), (2620, 37829), (2882, 34390), (3439, 28820), (3620, 27379), (3982, 24890), (4180, 23711), (4978, 19910), (5764, 17195), (6878, 14410), (7205, 13756), (7964, 12445), (9955, 9956)]