11907980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{419}}^1$

素因数の和:471

約数の個数: 72

約数和(自身を含む): 30164400

約数和(自身を除く): 18256420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 419, 490, 580, 812, 838, 980, 1015, 1421, 1676, 2030, 2095, 2842, 2933, 4060, 4190, 5684, 5866, 7105, 8380, 11732, 12151, 14210, 14665, 20531, 24302, 28420, 29330, 41062, 48604, 58660, 60755, 82124, 85057, 102655, 121510, 170114, 205310, 243020, 340228, 410620, 425285, 595399, 850570, 1190798, 1701140, 2381596, 2976995, 5953990, 11907980]

約数ペア:

[(1, 11907980), (2, 5953990), (4, 2976995), (5, 2381596), (7, 1701140), (10, 1190798), (14, 850570), (20, 595399), (28, 425285), (29, 410620), (35, 340228), (49, 243020), (58, 205310), (70, 170114), (98, 121510), (116, 102655), (140, 85057), (145, 82124), (196, 60755), (203, 58660), (245, 48604), (290, 41062), (406, 29330), (419, 28420), (490, 24302), (580, 20531), (812, 14665), (838, 14210), (980, 12151), (1015, 11732), (1421, 8380), (1676, 7105), (2030, 5866), (2095, 5684), (2842, 4190), (2933, 4060)]