9773980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:151

約数の個数: 72

約数和(自身を含む): 23209200

約数和(自身を除く): 13435220

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 89, 95, 170, 178, 190, 289, 323, 340, 356, 380, 445, 578, 646, 890, 1156, 1292, 1445, 1513, 1615, 1691, 1780, 2890, 3026, 3230, 3382, 5491, 5780, 6052, 6460, 6764, 7565, 8455, 10982, 15130, 16910, 21964, 25721, 27455, 28747, 30260, 33820, 51442, 54910, 57494, 102884, 109820, 114988, 128605, 143735, 257210, 287470, 488699, 514420, 574940, 977398, 1954796, 2443495, 4886990, 9773980]

約数ペア:

[(1, 9773980), (2, 4886990), (4, 2443495), (5, 1954796), (10, 977398), (17, 574940), (19, 514420), (20, 488699), (34, 287470), (38, 257210), (68, 143735), (76, 128605), (85, 114988), (89, 109820), (95, 102884), (170, 57494), (178, 54910), (190, 51442), (289, 33820), (323, 30260), (340, 28747), (356, 27455), (380, 25721), (445, 21964), (578, 16910), (646, 15130), (890, 10982), (1156, 8455), (1292, 7565), (1445, 6764), (1513, 6460), (1615, 6052), (1691, 5780), (1780, 5491), (2890, 3382), (3026, 3230)]