42709380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:298

約数の個数: 144

約数和(自身を含む): 141724800

約数和(自身を除く): 99015420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 73, 84, 98, 105, 140, 146, 147, 196, 199, 210, 219, 245, 292, 294, 365, 398, 420, 438, 490, 511, 588, 597, 730, 735, 796, 876, 980, 995, 1022, 1095, 1194, 1393, 1460, 1470, 1533, 1990, 2044, 2190, 2388, 2555, 2786, 2940, 2985, 3066, 3577, 3980, 4179, 4380, 5110, 5572, 5970, 6132, 6965, 7154, 7665, 8358, 9751, 10220, 10731, 11940, 13930, 14308, 14527, 15330, 16716, 17885, 19502, 20895, 21462, 27860, 29054, 29253, 30660, 35770, 39004, 41790, 42924, 43581, 48755, 53655, 58108, 58506, 71540, 72635, 83580, 87162, 97510, 101689, 107310, 117012, 145270, 146265, 174324, 195020, 203378, 214620, 217905, 290540, 292530, 305067, 406756, 435810, 508445, 585060, 610134, 711823, 871620, 1016890, 1220268, 1423646, 1525335, 2033780, 2135469, 2847292, 3050670, 3559115, 4270938, 6101340, 7118230, 8541876, 10677345, 14236460, 21354690, 42709380]

約数ペア:

[(1, 42709380), (2, 21354690), (3, 14236460), (4, 10677345), (5, 8541876), (6, 7118230), (7, 6101340), (10, 4270938), (12, 3559115), (14, 3050670), (15, 2847292), (20, 2135469), (21, 2033780), (28, 1525335), (30, 1423646), (35, 1220268), (42, 1016890), (49, 871620), (60, 711823), (70, 610134), (73, 585060), (84, 508445), (98, 435810), (105, 406756), (140, 305067), (146, 292530), (147, 290540), (196, 217905), (199, 214620), (210, 203378), (219, 195020), (245, 174324), (292, 146265), (294, 145270), (365, 117012), (398, 107310), (420, 101689), (438, 97510), (490, 87162), (511, 83580), (588, 72635), (597, 71540), (730, 58506), (735, 58108), (796, 53655), (876, 48755), (980, 43581), (995, 42924), (1022, 41790), (1095, 39004), (1194, 35770), (1393, 30660), (1460, 29253), (1470, 29054), (1533, 27860), (1990, 21462), (2044, 20895), (2190, 19502), (2388, 17885), (2555, 16716), (2786, 15330), (2940, 14527), (2985, 14308), (3066, 13930), (3577, 11940), (3980, 10731), (4179, 10220), (4380, 9751), (5110, 8358), (5572, 7665), (5970, 7154), (6132, 6965)]