38821720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{683}}^1$

素因数の和:737

約数の個数: 96

約数和(自身を含む): 105267600

約数和(自身を除く): 66445880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 49, 56, 58, 70, 98, 116, 140, 145, 196, 203, 232, 245, 280, 290, 392, 406, 490, 580, 683, 812, 980, 1015, 1160, 1366, 1421, 1624, 1960, 2030, 2732, 2842, 3415, 4060, 4781, 5464, 5684, 6830, 7105, 8120, 9562, 11368, 13660, 14210, 19124, 19807, 23905, 27320, 28420, 33467, 38248, 39614, 47810, 56840, 66934, 79228, 95620, 99035, 133868, 138649, 158456, 167335, 191240, 198070, 267736, 277298, 334670, 396140, 554596, 669340, 693245, 792280, 970543, 1109192, 1338680, 1386490, 1941086, 2772980, 3882172, 4852715, 5545960, 7764344, 9705430, 19410860, 38821720]

約数ペア:

[(1, 38821720), (2, 19410860), (4, 9705430), (5, 7764344), (7, 5545960), (8, 4852715), (10, 3882172), (14, 2772980), (20, 1941086), (28, 1386490), (29, 1338680), (35, 1109192), (40, 970543), (49, 792280), (56, 693245), (58, 669340), (70, 554596), (98, 396140), (116, 334670), (140, 277298), (145, 267736), (196, 198070), (203, 191240), (232, 167335), (245, 158456), (280, 138649), (290, 133868), (392, 99035), (406, 95620), (490, 79228), (580, 66934), (683, 56840), (812, 47810), (980, 39614), (1015, 38248), (1160, 33467), (1366, 28420), (1421, 27320), (1624, 23905), (1960, 19807), (2030, 19124), (2732, 14210), (2842, 13660), (3415, 11368), (4060, 9562), (4781, 8120), (5464, 7105), (5684, 6830)]