74743890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4457}}^1$

素因数の和:4523

約数の個数: 64

約数和(自身を含む): 197721216

約数和(自身を除く): 122977326

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 43, 65, 78, 86, 129, 130, 195, 215, 258, 390, 430, 559, 645, 1118, 1290, 1677, 2795, 3354, 4457, 5590, 8385, 8914, 13371, 16770, 22285, 26742, 44570, 57941, 66855, 115882, 133710, 173823, 191651, 289705, 347646, 383302, 574953, 579410, 869115, 958255, 1149906, 1738230, 1916510, 2491463, 2874765, 4982926, 5749530, 7474389, 12457315, 14948778, 24914630, 37371945, 74743890]

約数ペア:

[(1, 74743890), (2, 37371945), (3, 24914630), (5, 14948778), (6, 12457315), (10, 7474389), (13, 5749530), (15, 4982926), (26, 2874765), (30, 2491463), (39, 1916510), (43, 1738230), (65, 1149906), (78, 958255), (86, 869115), (129, 579410), (130, 574953), (195, 383302), (215, 347646), (258, 289705), (390, 191651), (430, 173823), (559, 133710), (645, 115882), (1118, 66855), (1290, 57941), (1677, 44570), (2795, 26742), (3354, 22285), (4457, 16770), (5590, 13371), (8385, 8914)]