290964100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:338

約数の個数: 144

約数和(自身を含む): 769950720

約数和(自身を除く): 478986620

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 131, 133, 140, 167, 175, 190, 262, 266, 334, 350, 380, 475, 524, 532, 655, 665, 668, 700, 835, 917, 950, 1169, 1310, 1330, 1670, 1834, 1900, 2338, 2489, 2620, 2660, 3173, 3275, 3325, 3340, 3668, 4175, 4585, 4676, 4978, 5845, 6346, 6550, 6650, 8350, 9170, 9956, 11690, 12445, 12692, 13100, 13300, 15865, 16700, 17423, 18340, 21877, 22211, 22925, 23380, 24890, 29225, 31730, 34846, 43754, 44422, 45850, 49780, 58450, 62225, 63460, 69692, 79325, 87115, 87508, 88844, 91700, 109385, 111055, 116900, 124450, 153139, 158650, 174230, 218770, 222110, 248900, 306278, 317300, 348460, 415663, 435575, 437540, 444220, 546925, 555275, 612556, 765695, 831326, 871150, 1093850, 1110550, 1531390, 1662652, 1742300, 2078315, 2187700, 2221100, 2909641, 3062780, 3828475, 4156630, 5819282, 7656950, 8313260, 10391575, 11638564, 14548205, 15313900, 20783150, 29096410, 41566300, 58192820, 72741025, 145482050, 290964100]

約数ペア:

[(1, 290964100), (2, 145482050), (4, 72741025), (5, 58192820), (7, 41566300), (10, 29096410), (14, 20783150), (19, 15313900), (20, 14548205), (25, 11638564), (28, 10391575), (35, 8313260), (38, 7656950), (50, 5819282), (70, 4156630), (76, 3828475), (95, 3062780), (100, 2909641), (131, 2221100), (133, 2187700), (140, 2078315), (167, 1742300), (175, 1662652), (190, 1531390), (262, 1110550), (266, 1093850), (334, 871150), (350, 831326), (380, 765695), (475, 612556), (524, 555275), (532, 546925), (655, 444220), (665, 437540), (668, 435575), (700, 415663), (835, 348460), (917, 317300), (950, 306278), (1169, 248900), (1310, 222110), (1330, 218770), (1670, 174230), (1834, 158650), (1900, 153139), (2338, 124450), (2489, 116900), (2620, 111055), (2660, 109385), (3173, 91700), (3275, 88844), (3325, 87508), (3340, 87115), (3668, 79325), (4175, 69692), (4585, 63460), (4676, 62225), (4978, 58450), (5845, 49780), (6346, 45850), (6550, 44422), (6650, 43754), (8350, 34846), (9170, 31730), (9956, 29225), (11690, 24890), (12445, 23380), (12692, 22925), (13100, 22211), (13300, 21877), (15865, 18340), (16700, 17423)]