201593990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4801}}^1$

素因数の和:4857

約数の個数: 64

約数和(自身を含む): 435637440

約数和(自身を除く): 234043450

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 65, 85, 95, 130, 170, 190, 221, 247, 323, 442, 494, 646, 1105, 1235, 1615, 2210, 2470, 3230, 4199, 4801, 8398, 9602, 20995, 24005, 41990, 48010, 62413, 81617, 91219, 124826, 163234, 182438, 312065, 408085, 456095, 624130, 816170, 912190, 1061021, 1185847, 1550723, 2122042, 2371694, 3101446, 5305105, 5929235, 7753615, 10610210, 11858470, 15507230, 20159399, 40318798, 100796995, 201593990]

約数ペア:

[(1, 201593990), (2, 100796995), (5, 40318798), (10, 20159399), (13, 15507230), (17, 11858470), (19, 10610210), (26, 7753615), (34, 5929235), (38, 5305105), (65, 3101446), (85, 2371694), (95, 2122042), (130, 1550723), (170, 1185847), (190, 1061021), (221, 912190), (247, 816170), (323, 624130), (442, 456095), (494, 408085), (646, 312065), (1105, 182438), (1235, 163234), (1615, 124826), (2210, 91219), (2470, 81617), (3230, 62413), (4199, 48010), (4801, 41990), (8398, 24005), (9602, 20995)]