99318320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^3\times {\mathrm{181}}^1$

素因数の和:251

約数の個数: 80

約数和(自身を含む): 245088480

約数和(自身を除く): 145770160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 181, 190, 304, 361, 362, 380, 722, 724, 760, 905, 1444, 1448, 1520, 1805, 1810, 2888, 2896, 3439, 3610, 3620, 5776, 6859, 6878, 7220, 7240, 13718, 13756, 14440, 14480, 17195, 27436, 27512, 28880, 34295, 34390, 54872, 55024, 65341, 68590, 68780, 109744, 130682, 137180, 137560, 261364, 274360, 275120, 326705, 522728, 548720, 653410, 1045456, 1241479, 1306820, 2482958, 2613640, 4965916, 5227280, 6207395, 9931832, 12414790, 19863664, 24829580, 49659160, 99318320]

約数ペア:

[(1, 99318320), (2, 49659160), (4, 24829580), (5, 19863664), (8, 12414790), (10, 9931832), (16, 6207395), (19, 5227280), (20, 4965916), (38, 2613640), (40, 2482958), (76, 1306820), (80, 1241479), (95, 1045456), (152, 653410), (181, 548720), (190, 522728), (304, 326705), (361, 275120), (362, 274360), (380, 261364), (722, 137560), (724, 137180), (760, 130682), (905, 109744), (1444, 68780), (1448, 68590), (1520, 65341), (1805, 55024), (1810, 54872), (2888, 34390), (2896, 34295), (3439, 28880), (3610, 27512), (3620, 27436), (5776, 17195), (6859, 14480), (6878, 14440), (7220, 13756), (7240, 13718)]