74990955

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 136080000

約数和(自身を除く): 61089045

約数列:

[1, 3, 5, 13, 15, 29, 39, 65, 87, 89, 145, 149, 195, 267, 377, 435, 445, 447, 745, 1131, 1157, 1335, 1885, 1937, 2235, 2581, 3471, 4321, 5655, 5785, 5811, 7743, 9685, 12905, 12963, 13261, 17355, 21605, 29055, 33553, 38715, 39783, 56173, 64815, 66305, 100659, 167765, 168519, 172393, 198915, 280865, 384569, 503295, 517179, 842595, 861965, 1153707, 1922845, 2585895, 4999397, 5768535, 14998191, 24996985, 74990955]

約数ペア:

[(1, 74990955), (3, 24996985), (5, 14998191), (13, 5768535), (15, 4999397), (29, 2585895), (39, 1922845), (65, 1153707), (87, 861965), (89, 842595), (145, 517179), (149, 503295), (195, 384569), (267, 280865), (377, 198915), (435, 172393), (445, 168519), (447, 167765), (745, 100659), (1131, 66305), (1157, 64815), (1335, 56173), (1885, 39783), (1937, 38715), (2235, 33553), (2581, 29055), (3471, 21605), (4321, 17355), (5655, 13261), (5785, 12963), (5811, 12905), (7743, 9685)]