2019949460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{347}}^1$

素因数の和:657

約数の個数: 96

約数和(自身を含む): 4518097920

約数和(自身を除く): 2498148460

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 229, 310, 347, 410, 458, 620, 694, 820, 916, 1145, 1271, 1388, 1735, 2290, 2542, 3470, 4580, 5084, 6355, 6940, 7099, 9389, 10757, 12710, 14198, 14227, 18778, 21514, 25420, 28396, 28454, 35495, 37556, 43028, 46945, 53785, 56908, 70990, 71135, 79463, 93890, 107570, 141980, 142270, 158926, 187780, 215140, 284540, 291059, 317852, 397315, 441037, 582118, 794630, 882074, 1164236, 1455295, 1589260, 1764148, 2205185, 2463353, 2910590, 3257983, 4410370, 4926706, 5821180, 6515966, 8820740, 9853412, 12316765, 13031932, 16289915, 24633530, 32579830, 49267060, 65159660, 100997473, 201994946, 403989892, 504987365, 1009974730, 2019949460]

約数ペア:

[(1, 2019949460), (2, 1009974730), (4, 504987365), (5, 403989892), (10, 201994946), (20, 100997473), (31, 65159660), (41, 49267060), (62, 32579830), (82, 24633530), (124, 16289915), (155, 13031932), (164, 12316765), (205, 9853412), (229, 8820740), (310, 6515966), (347, 5821180), (410, 4926706), (458, 4410370), (620, 3257983), (694, 2910590), (820, 2463353), (916, 2205185), (1145, 1764148), (1271, 1589260), (1388, 1455295), (1735, 1164236), (2290, 882074), (2542, 794630), (3470, 582118), (4580, 441037), (5084, 397315), (6355, 317852), (6940, 291059), (7099, 284540), (9389, 215140), (10757, 187780), (12710, 158926), (14198, 142270), (14227, 141980), (18778, 107570), (21514, 93890), (25420, 79463), (28396, 71135), (28454, 70990), (35495, 56908), (37556, 53785), (43028, 46945)]