220107440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{409}}^1$

素因数の和:491

約数の個数: 120

約数和(自身を含む): 605809440

約数和(自身を除く): 385702000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 409, 434, 496, 560, 620, 818, 868, 961, 1085, 1240, 1636, 1736, 1922, 2045, 2170, 2480, 2863, 3272, 3472, 3844, 4090, 4340, 4805, 5726, 6544, 6727, 7688, 8180, 8680, 9610, 11452, 12679, 13454, 14315, 15376, 16360, 17360, 19220, 22904, 25358, 26908, 28630, 32720, 33635, 38440, 45808, 50716, 53816, 57260, 63395, 67270, 76880, 88753, 101432, 107632, 114520, 126790, 134540, 177506, 202864, 229040, 253580, 269080, 355012, 393049, 443765, 507160, 538160, 710024, 786098, 887530, 1014320, 1420048, 1572196, 1775060, 1965245, 2751343, 3144392, 3550120, 3930490, 5502686, 6288784, 7100240, 7860980, 11005372, 13756715, 15721960, 22010744, 27513430, 31443920, 44021488, 55026860, 110053720, 220107440]

約数ペア:

[(1, 220107440), (2, 110053720), (4, 55026860), (5, 44021488), (7, 31443920), (8, 27513430), (10, 22010744), (14, 15721960), (16, 13756715), (20, 11005372), (28, 7860980), (31, 7100240), (35, 6288784), (40, 5502686), (56, 3930490), (62, 3550120), (70, 3144392), (80, 2751343), (112, 1965245), (124, 1775060), (140, 1572196), (155, 1420048), (217, 1014320), (248, 887530), (280, 786098), (310, 710024), (409, 538160), (434, 507160), (496, 443765), (560, 393049), (620, 355012), (818, 269080), (868, 253580), (961, 229040), (1085, 202864), (1240, 177506), (1636, 134540), (1736, 126790), (1922, 114520), (2045, 107632), (2170, 101432), (2480, 88753), (2863, 76880), (3272, 67270), (3472, 63395), (3844, 57260), (4090, 53816), (4340, 50716), (4805, 45808), (5726, 38440), (6544, 33635), (6727, 32720), (7688, 28630), (8180, 26908), (8680, 25358), (9610, 22904), (11452, 19220), (12679, 17360), (13454, 16360), (14315, 15376)]