407091490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{787}}^1$

素因数の和:1003

約数の個数: 64

約数和(自身を含む): 829253376

約数和(自身を除く): 422161886

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 173, 230, 299, 346, 598, 787, 865, 1495, 1574, 1730, 2249, 2990, 3935, 3979, 4498, 7870, 7958, 10231, 11245, 18101, 19895, 20462, 22490, 36202, 39790, 51155, 51727, 90505, 102310, 103454, 136151, 181010, 235313, 258635, 272302, 470626, 517270, 680755, 1176565, 1361510, 1769963, 2353130, 3131473, 3539926, 6262946, 8849815, 15657365, 17699630, 31314730, 40709149, 81418298, 203545745, 407091490]

約数ペア:

[(1, 407091490), (2, 203545745), (5, 81418298), (10, 40709149), (13, 31314730), (23, 17699630), (26, 15657365), (46, 8849815), (65, 6262946), (115, 3539926), (130, 3131473), (173, 2353130), (230, 1769963), (299, 1361510), (346, 1176565), (598, 680755), (787, 517270), (865, 470626), (1495, 272302), (1574, 258635), (1730, 235313), (2249, 181010), (2990, 136151), (3935, 103454), (3979, 102310), (4498, 90505), (7870, 51727), (7958, 51155), (10231, 39790), (11245, 36202), (18101, 22490), (19895, 20462)]