217409820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{653}}^1$

素因数の和:875

約数の個数: 96

約数和(自身を含む): 632862720

約数和(自身を除く): 415452900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 179, 186, 310, 358, 372, 465, 537, 620, 653, 716, 895, 930, 1074, 1306, 1790, 1860, 1959, 2148, 2612, 2685, 3265, 3580, 3918, 5370, 5549, 6530, 7836, 9795, 10740, 11098, 13060, 16647, 19590, 20243, 22196, 27745, 33294, 39180, 40486, 55490, 60729, 66588, 80972, 83235, 101215, 110980, 116887, 121458, 166470, 202430, 233774, 242916, 303645, 332940, 350661, 404860, 467548, 584435, 607290, 701322, 1168870, 1214580, 1402644, 1753305, 2337740, 3506610, 3623497, 7013220, 7246994, 10870491, 14493988, 18117485, 21740982, 36234970, 43481964, 54352455, 72469940, 108704910, 217409820]

約数ペア:

[(1, 217409820), (2, 108704910), (3, 72469940), (4, 54352455), (5, 43481964), (6, 36234970), (10, 21740982), (12, 18117485), (15, 14493988), (20, 10870491), (30, 7246994), (31, 7013220), (60, 3623497), (62, 3506610), (93, 2337740), (124, 1753305), (155, 1402644), (179, 1214580), (186, 1168870), (310, 701322), (358, 607290), (372, 584435), (465, 467548), (537, 404860), (620, 350661), (653, 332940), (716, 303645), (895, 242916), (930, 233774), (1074, 202430), (1306, 166470), (1790, 121458), (1860, 116887), (1959, 110980), (2148, 101215), (2612, 83235), (2685, 80972), (3265, 66588), (3580, 60729), (3918, 55490), (5370, 40486), (5549, 39180), (6530, 33294), (7836, 27745), (9795, 22196), (10740, 20243), (11098, 19590), (13060, 16647)]