490849660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:312

約数の個数: 144

約数和(自身を含む): 1257596928

約数和(自身を除く): 766747268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 107, 124, 140, 151, 155, 196, 214, 217, 245, 302, 310, 428, 434, 490, 535, 604, 620, 749, 755, 868, 980, 1057, 1070, 1085, 1498, 1510, 1519, 2114, 2140, 2170, 2996, 3020, 3038, 3317, 3745, 4228, 4340, 4681, 5243, 5285, 6076, 6634, 7399, 7490, 7595, 9362, 10486, 10570, 13268, 14798, 14980, 15190, 16157, 16585, 18724, 20972, 21140, 23219, 23405, 26215, 29596, 30380, 32314, 32767, 33170, 36995, 46438, 46810, 52430, 64628, 65534, 66340, 73990, 80785, 92876, 93620, 104860, 113099, 116095, 131068, 147980, 161570, 162533, 163835, 226198, 229369, 232190, 323140, 325066, 327670, 452396, 458738, 464380, 500867, 565495, 650132, 655340, 791693, 812665, 917476, 1001734, 1130990, 1146845, 1583386, 1625330, 2003468, 2261980, 2293690, 2504335, 3166772, 3250660, 3506069, 3958465, 4587380, 5008670, 7012138, 7916930, 10017340, 14024276, 15833860, 17530345, 24542483, 35060690, 49084966, 70121380, 98169932, 122712415, 245424830, 490849660]

約数ペア:

[(1, 490849660), (2, 245424830), (4, 122712415), (5, 98169932), (7, 70121380), (10, 49084966), (14, 35060690), (20, 24542483), (28, 17530345), (31, 15833860), (35, 14024276), (49, 10017340), (62, 7916930), (70, 7012138), (98, 5008670), (107, 4587380), (124, 3958465), (140, 3506069), (151, 3250660), (155, 3166772), (196, 2504335), (214, 2293690), (217, 2261980), (245, 2003468), (302, 1625330), (310, 1583386), (428, 1146845), (434, 1130990), (490, 1001734), (535, 917476), (604, 812665), (620, 791693), (749, 655340), (755, 650132), (868, 565495), (980, 500867), (1057, 464380), (1070, 458738), (1085, 452396), (1498, 327670), (1510, 325066), (1519, 323140), (2114, 232190), (2140, 229369), (2170, 226198), (2996, 163835), (3020, 162533), (3038, 161570), (3317, 147980), (3745, 131068), (4228, 116095), (4340, 113099), (4681, 104860), (5243, 93620), (5285, 92876), (6076, 80785), (6634, 73990), (7399, 66340), (7490, 65534), (7595, 64628), (9362, 52430), (10486, 46810), (10570, 46438), (13268, 36995), (14798, 33170), (14980, 32767), (15190, 32314), (16157, 30380), (16585, 29596), (18724, 26215), (20972, 23405), (21140, 23219)]