719190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:205

約数の個数: 48

約数和(自身を含む): 1915056

約数和(自身を除く): 1195866

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 131, 183, 262, 305, 366, 393, 549, 610, 655, 786, 915, 1098, 1179, 1310, 1830, 1965, 2358, 2745, 3930, 5490, 5895, 7991, 11790, 15982, 23973, 39955, 47946, 71919, 79910, 119865, 143838, 239730, 359595, 719190]

約数ペア:

[(1, 719190), (2, 359595), (3, 239730), (5, 143838), (6, 119865), (9, 79910), (10, 71919), (15, 47946), (18, 39955), (30, 23973), (45, 15982), (61, 11790), (90, 7991), (122, 5895), (131, 5490), (183, 3930), (262, 2745), (305, 2358), (366, 1965), (393, 1830), (549, 1310), (610, 1179), (655, 1098), (786, 915)]