290152980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{123997}}^1$

素因数の和:124025

約数の個数: 72

約数和(自身を含む): 947840712

約数和(自身を除く): 657687732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 123997, 247994, 371991, 495988, 619985, 743982, 1115973, 1239970, 1487964, 1611961, 1859955, 2231946, 2479940, 3223922, 3719910, 4463892, 4835883, 5579865, 6447844, 7439820, 8059805, 9671766, 11159730, 14507649, 16119610, 19343532, 22319460, 24179415, 29015298, 32239220, 48358830, 58030596, 72538245, 96717660, 145076490, 290152980]

約数ペア:

[(1, 290152980), (2, 145076490), (3, 96717660), (4, 72538245), (5, 58030596), (6, 48358830), (9, 32239220), (10, 29015298), (12, 24179415), (13, 22319460), (15, 19343532), (18, 16119610), (20, 14507649), (26, 11159730), (30, 9671766), (36, 8059805), (39, 7439820), (45, 6447844), (52, 5579865), (60, 4835883), (65, 4463892), (78, 3719910), (90, 3223922), (117, 2479940), (130, 2231946), (156, 1859955), (180, 1611961), (195, 1487964), (234, 1239970), (260, 1115973), (390, 743982), (468, 619985), (585, 495988), (780, 371991), (1170, 247994), (2340, 123997)]