403289720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{1051}}^1$

素因数の和:1296

約数の個数: 64

約数和(自身を含む): 930515040

約数和(自身を除く): 527225320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 181, 212, 265, 362, 424, 530, 724, 905, 1051, 1060, 1448, 1810, 2102, 2120, 3620, 4204, 5255, 7240, 8408, 9593, 10510, 19186, 21020, 38372, 42040, 47965, 55703, 76744, 95930, 111406, 190231, 191860, 222812, 278515, 380462, 383720, 445624, 557030, 760924, 951155, 1114060, 1521848, 1902310, 2228120, 3804620, 7609240, 10082243, 20164486, 40328972, 50411215, 80657944, 100822430, 201644860, 403289720]

約数ペア:

[(1, 403289720), (2, 201644860), (4, 100822430), (5, 80657944), (8, 50411215), (10, 40328972), (20, 20164486), (40, 10082243), (53, 7609240), (106, 3804620), (181, 2228120), (212, 1902310), (265, 1521848), (362, 1114060), (424, 951155), (530, 760924), (724, 557030), (905, 445624), (1051, 383720), (1060, 380462), (1448, 278515), (1810, 222812), (2102, 191860), (2120, 190231), (3620, 111406), (4204, 95930), (5255, 76744), (7240, 55703), (8408, 47965), (9593, 42040), (10510, 38372), (19186, 21020)]