198785860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{457}}^1$

素因数の和:725

約数の個数: 96

約数和(自身を含む): 517063680

約数和(自身を除く): 318277820

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 239, 260, 364, 455, 457, 478, 910, 914, 956, 1195, 1673, 1820, 1828, 2285, 2390, 3107, 3199, 3346, 4570, 4780, 5941, 6214, 6398, 6692, 8365, 9140, 11882, 12428, 12796, 15535, 15995, 16730, 21749, 23764, 29705, 31070, 31990, 33460, 41587, 43498, 59410, 62140, 63980, 83174, 86996, 108745, 109223, 118820, 166348, 207935, 217490, 218446, 415870, 434980, 436892, 546115, 764561, 831740, 1092230, 1419899, 1529122, 2184460, 2839798, 3058244, 3822805, 5679596, 7099495, 7645610, 9939293, 14198990, 15291220, 19878586, 28397980, 39757172, 49696465, 99392930, 198785860]

約数ペア:

[(1, 198785860), (2, 99392930), (4, 49696465), (5, 39757172), (7, 28397980), (10, 19878586), (13, 15291220), (14, 14198990), (20, 9939293), (26, 7645610), (28, 7099495), (35, 5679596), (52, 3822805), (65, 3058244), (70, 2839798), (91, 2184460), (130, 1529122), (140, 1419899), (182, 1092230), (239, 831740), (260, 764561), (364, 546115), (455, 436892), (457, 434980), (478, 415870), (910, 218446), (914, 217490), (956, 207935), (1195, 166348), (1673, 118820), (1820, 109223), (1828, 108745), (2285, 86996), (2390, 83174), (3107, 63980), (3199, 62140), (3346, 59410), (4570, 43498), (4780, 41587), (5941, 33460), (6214, 31990), (6398, 31070), (6692, 29705), (8365, 23764), (9140, 21749), (11882, 16730), (12428, 15995), (12796, 15535)]