4888890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{953}}^1$

素因数の和:988

約数の個数: 64

約数和(自身を含む): 13737600

約数和(自身を除く): 8848710

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 171, 190, 270, 285, 342, 513, 570, 855, 953, 1026, 1710, 1906, 2565, 2859, 4765, 5130, 5718, 8577, 9530, 14295, 17154, 18107, 25731, 28590, 36214, 42885, 51462, 54321, 85770, 90535, 108642, 128655, 162963, 181070, 257310, 271605, 325926, 488889, 543210, 814815, 977778, 1629630, 2444445, 4888890]

約数ペア:

[(1, 4888890), (2, 2444445), (3, 1629630), (5, 977778), (6, 814815), (9, 543210), (10, 488889), (15, 325926), (18, 271605), (19, 257310), (27, 181070), (30, 162963), (38, 128655), (45, 108642), (54, 90535), (57, 85770), (90, 54321), (95, 51462), (114, 42885), (135, 36214), (171, 28590), (190, 25731), (270, 18107), (285, 17154), (342, 14295), (513, 9530), (570, 8577), (855, 5718), (953, 5130), (1026, 4765), (1710, 2859), (1906, 2565)]