248848890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:528

約数の個数: 128

約数和(自身を含む): 678170880

約数和(自身を除く): 429321990

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 19, 30, 34, 38, 51, 57, 61, 85, 95, 102, 114, 122, 170, 183, 190, 255, 285, 305, 323, 366, 421, 510, 570, 610, 646, 842, 915, 969, 1037, 1159, 1263, 1615, 1830, 1938, 2074, 2105, 2318, 2526, 3111, 3230, 3477, 4210, 4845, 5185, 5795, 6222, 6315, 6954, 7157, 7999, 9690, 10370, 11590, 12630, 14314, 15555, 15998, 17385, 19703, 21471, 23997, 25681, 31110, 34770, 35785, 39406, 39995, 42942, 47994, 51362, 59109, 71570, 77043, 79990, 98515, 107355, 118218, 119985, 128405, 135983, 154086, 197030, 214710, 239970, 256810, 271966, 295545, 385215, 407949, 436577, 487939, 591090, 679915, 770430, 815898, 873154, 975878, 1309731, 1359830, 1463817, 2039745, 2182885, 2439695, 2619462, 2927634, 4079490, 4365770, 4879390, 6548655, 7319085, 8294963, 13097310, 14638170, 16589926, 24884889, 41474815, 49769778, 82949630, 124424445, 248848890]

約数ペア:

[(1, 248848890), (2, 124424445), (3, 82949630), (5, 49769778), (6, 41474815), (10, 24884889), (15, 16589926), (17, 14638170), (19, 13097310), (30, 8294963), (34, 7319085), (38, 6548655), (51, 4879390), (57, 4365770), (61, 4079490), (85, 2927634), (95, 2619462), (102, 2439695), (114, 2182885), (122, 2039745), (170, 1463817), (183, 1359830), (190, 1309731), (255, 975878), (285, 873154), (305, 815898), (323, 770430), (366, 679915), (421, 591090), (510, 487939), (570, 436577), (610, 407949), (646, 385215), (842, 295545), (915, 271966), (969, 256810), (1037, 239970), (1159, 214710), (1263, 197030), (1615, 154086), (1830, 135983), (1938, 128405), (2074, 119985), (2105, 118218), (2318, 107355), (2526, 98515), (3111, 79990), (3230, 77043), (3477, 71570), (4210, 59109), (4845, 51362), (5185, 47994), (5795, 42942), (6222, 39995), (6315, 39406), (6954, 35785), (7157, 34770), (7999, 31110), (9690, 25681), (10370, 23997), (11590, 21471), (12630, 19703), (14314, 17385), (15555, 15998)]