215518940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{9109}}^1$

素因数の和:9151

約数の個数: 72

約数和(自身を含む): 560155680

約数和(自身を除く): 344636740

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 845, 910, 1183, 1690, 1820, 2366, 3380, 4732, 5915, 9109, 11830, 18218, 23660, 36436, 45545, 63763, 91090, 118417, 127526, 182180, 236834, 255052, 318815, 473668, 592085, 637630, 828919, 1184170, 1275260, 1539421, 1657838, 2368340, 3078842, 3315676, 4144595, 6157684, 7697105, 8289190, 10775947, 15394210, 16578380, 21551894, 30788420, 43103788, 53879735, 107759470, 215518940]

約数ペア:

[(1, 215518940), (2, 107759470), (4, 53879735), (5, 43103788), (7, 30788420), (10, 21551894), (13, 16578380), (14, 15394210), (20, 10775947), (26, 8289190), (28, 7697105), (35, 6157684), (52, 4144595), (65, 3315676), (70, 3078842), (91, 2368340), (130, 1657838), (140, 1539421), (169, 1275260), (182, 1184170), (260, 828919), (338, 637630), (364, 592085), (455, 473668), (676, 318815), (845, 255052), (910, 236834), (1183, 182180), (1690, 127526), (1820, 118417), (2366, 91090), (3380, 63763), (4732, 45545), (5915, 36436), (9109, 23660), (11830, 18218)]