28261740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1907}}^1$

素因数の和:1951

約数の個数: 96

約数和(自身を含む): 89752320

約数和(自身を除く): 61490580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 190, 195, 228, 247, 260, 285, 380, 390, 494, 570, 741, 780, 988, 1140, 1235, 1482, 1907, 2470, 2964, 3705, 3814, 4940, 5721, 7410, 7628, 9535, 11442, 14820, 19070, 22884, 24791, 28605, 36233, 38140, 49582, 57210, 72466, 74373, 99164, 108699, 114420, 123955, 144932, 148746, 181165, 217398, 247910, 297492, 362330, 371865, 434796, 471029, 495820, 543495, 724660, 743730, 942058, 1086990, 1413087, 1487460, 1884116, 2173980, 2355145, 2826174, 4710290, 5652348, 7065435, 9420580, 14130870, 28261740]

約数ペア:

[(1, 28261740), (2, 14130870), (3, 9420580), (4, 7065435), (5, 5652348), (6, 4710290), (10, 2826174), (12, 2355145), (13, 2173980), (15, 1884116), (19, 1487460), (20, 1413087), (26, 1086990), (30, 942058), (38, 743730), (39, 724660), (52, 543495), (57, 495820), (60, 471029), (65, 434796), (76, 371865), (78, 362330), (95, 297492), (114, 247910), (130, 217398), (156, 181165), (190, 148746), (195, 144932), (228, 123955), (247, 114420), (260, 108699), (285, 99164), (380, 74373), (390, 72466), (494, 57210), (570, 49582), (741, 38140), (780, 36233), (988, 28605), (1140, 24791), (1235, 22884), (1482, 19070), (1907, 14820), (2470, 11442), (2964, 9535), (3705, 7628), (3814, 7410), (4940, 5721)]