290426856

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:339

約数の個数: 128

約数和(自身を含む): 795484800

約数和(自身を除く): 505057944

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 53, 57, 61, 76, 106, 114, 122, 152, 159, 183, 197, 212, 228, 244, 318, 366, 394, 424, 456, 488, 591, 636, 732, 788, 1007, 1159, 1182, 1272, 1464, 1576, 2014, 2318, 2364, 3021, 3233, 3477, 3743, 4028, 4636, 4728, 6042, 6466, 6954, 7486, 8056, 9272, 9699, 10441, 11229, 12017, 12084, 12932, 13908, 14972, 19398, 20882, 22458, 24034, 24168, 25864, 27816, 29944, 31323, 36051, 38796, 41764, 44916, 48068, 61427, 62646, 72102, 77592, 83528, 89832, 96136, 122854, 125292, 144204, 184281, 198379, 228323, 245708, 250584, 288408, 368562, 396758, 456646, 491416, 595137, 636901, 684969, 737124, 793516, 913292, 1190274, 1273802, 1369938, 1474248, 1587032, 1826584, 1910703, 2380548, 2547604, 2739876, 3821406, 4761096, 5095208, 5479752, 7642812, 12101119, 15285624, 24202238, 36303357, 48404476, 72606714, 96808952, 145213428, 290426856]

約数ペア:

[(1, 290426856), (2, 145213428), (3, 96808952), (4, 72606714), (6, 48404476), (8, 36303357), (12, 24202238), (19, 15285624), (24, 12101119), (38, 7642812), (53, 5479752), (57, 5095208), (61, 4761096), (76, 3821406), (106, 2739876), (114, 2547604), (122, 2380548), (152, 1910703), (159, 1826584), (183, 1587032), (197, 1474248), (212, 1369938), (228, 1273802), (244, 1190274), (318, 913292), (366, 793516), (394, 737124), (424, 684969), (456, 636901), (488, 595137), (591, 491416), (636, 456646), (732, 396758), (788, 368562), (1007, 288408), (1159, 250584), (1182, 245708), (1272, 228323), (1464, 198379), (1576, 184281), (2014, 144204), (2318, 125292), (2364, 122854), (3021, 96136), (3233, 89832), (3477, 83528), (3743, 77592), (4028, 72102), (4636, 62646), (4728, 61427), (6042, 48068), (6466, 44916), (6954, 41764), (7486, 38796), (8056, 36051), (9272, 31323), (9699, 29944), (10441, 27816), (11229, 25864), (12017, 24168), (12084, 24034), (12932, 22458), (13908, 20882), (14972, 19398)]