61508890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:319

約数の個数: 64

約数和(自身を含む): 125193600

約数和(自身を除く): 63684710

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 137, 139, 170, 190, 274, 278, 323, 646, 685, 695, 1370, 1390, 1615, 2329, 2363, 2603, 2641, 3230, 4658, 4726, 5206, 5282, 11645, 11815, 13015, 13205, 19043, 23290, 23630, 26030, 26410, 38086, 44251, 44897, 88502, 89794, 95215, 190430, 221255, 224485, 323731, 361817, 442510, 448970, 647462, 723634, 1618655, 1809085, 3237310, 3618170, 6150889, 12301778, 30754445, 61508890]

約数ペア:

[(1, 61508890), (2, 30754445), (5, 12301778), (10, 6150889), (17, 3618170), (19, 3237310), (34, 1809085), (38, 1618655), (85, 723634), (95, 647462), (137, 448970), (139, 442510), (170, 361817), (190, 323731), (274, 224485), (278, 221255), (323, 190430), (646, 95215), (685, 89794), (695, 88502), (1370, 44897), (1390, 44251), (1615, 38086), (2329, 26410), (2363, 26030), (2603, 23630), (2641, 23290), (3230, 19043), (4658, 13205), (4726, 13015), (5206, 11815), (5282, 11645)]