219147370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:200

約数の個数: 96

約数和(自身を含む): 455362560

約数和(自身を除く): 236215190

約数列:

[1, 2, 5, 10, 13, 26, 31, 47, 62, 65, 89, 94, 130, 155, 169, 178, 235, 310, 338, 403, 445, 470, 611, 806, 845, 890, 1157, 1222, 1457, 1690, 2015, 2314, 2759, 2914, 3055, 4030, 4183, 5239, 5518, 5785, 6110, 7285, 7943, 8366, 10478, 11570, 13795, 14570, 15041, 15886, 18941, 20915, 26195, 27590, 30082, 35867, 37882, 39715, 41830, 52390, 54379, 71734, 75205, 79430, 94705, 108758, 129673, 150410, 179335, 189410, 246233, 259346, 271895, 358670, 466271, 492466, 543790, 648365, 706927, 932542, 1231165, 1296730, 1413854, 1685749, 2331355, 2462330, 3371498, 3534635, 4662710, 7069270, 8428745, 16857490, 21914737, 43829474, 109573685, 219147370]

約数ペア:

[(1, 219147370), (2, 109573685), (5, 43829474), (10, 21914737), (13, 16857490), (26, 8428745), (31, 7069270), (47, 4662710), (62, 3534635), (65, 3371498), (89, 2462330), (94, 2331355), (130, 1685749), (155, 1413854), (169, 1296730), (178, 1231165), (235, 932542), (310, 706927), (338, 648365), (403, 543790), (445, 492466), (470, 466271), (611, 358670), (806, 271895), (845, 259346), (890, 246233), (1157, 189410), (1222, 179335), (1457, 150410), (1690, 129673), (2015, 108758), (2314, 94705), (2759, 79430), (2914, 75205), (3055, 71734), (4030, 54379), (4183, 52390), (5239, 41830), (5518, 39715), (5785, 37882), (6110, 35867), (7285, 30082), (7943, 27590), (8366, 26195), (10478, 20915), (11570, 18941), (13795, 15886), (14570, 15041)]