497697780

素因数分解:

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

素因数の和:530

約数の個数: 192

約数和(自身を含む): 1582398720

約数和(自身を除く): 1084700940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 34, 38, 51, 57, 60, 61, 68, 76, 85, 95, 102, 114, 122, 170, 183, 190, 204, 228, 244, 255, 285, 305, 323, 340, 366, 380, 421, 510, 570, 610, 646, 732, 842, 915, 969, 1020, 1037, 1140, 1159, 1220, 1263, 1292, 1615, 1684, 1830, 1938, 2074, 2105, 2318, 2526, 3111, 3230, 3477, 3660, 3876, 4148, 4210, 4636, 4845, 5052, 5185, 5795, 6222, 6315, 6460, 6954, 7157, 7999, 8420, 9690, 10370, 11590, 12444, 12630, 13908, 14314, 15555, 15998, 17385, 19380, 19703, 20740, 21471, 23180, 23997, 25260, 25681, 28628, 31110, 31996, 34770, 35785, 39406, 39995, 42942, 47994, 51362, 59109, 62220, 69540, 71570, 77043, 78812, 79990, 85884, 95988, 98515, 102724, 107355, 118218, 119985, 128405, 135983, 143140, 154086, 159980, 197030, 214710, 236436, 239970, 256810, 271966, 295545, 308172, 385215, 394060, 407949, 429420, 436577, 479940, 487939, 513620, 543932, 591090, 679915, 770430, 815898, 873154, 975878, 1182180, 1309731, 1359830, 1463817, 1540860, 1631796, 1746308, 1951756, 2039745, 2182885, 2439695, 2619462, 2719660, 2927634, 4079490, 4365770, 4879390, 5238924, 5855268, 6548655, 7319085, 8158980, 8294963, 8731540, 9758780, 13097310, 14638170, 16589926, 24884889, 26194620, 29276340, 33179852, 41474815, 49769778, 82949630, 99539556, 124424445, 165899260, 248848890, 497697780]

約数ペア:

[(1, 497697780), (2, 248848890), (3, 165899260), (4, 124424445), (5, 99539556), (6, 82949630), (10, 49769778), (12, 41474815), (15, 33179852), (17, 29276340), (19, 26194620), (20, 24884889), (30, 16589926), (34, 14638170), (38, 13097310), (51, 9758780), (57, 8731540), (60, 8294963), (61, 8158980), (68, 7319085), (76, 6548655), (85, 5855268), (95, 5238924), (102, 4879390), (114, 4365770), (122, 4079490), (170, 2927634), (183, 2719660), (190, 2619462), (204, 2439695), (228, 2182885), (244, 2039745), (255, 1951756), (285, 1746308), (305, 1631796), (323, 1540860), (340, 1463817), (366, 1359830), (380, 1309731), (421, 1182180), (510, 975878), (570, 873154), (610, 815898), (646, 770430), (732, 679915), (842, 591090), (915, 543932), (969, 513620), (1020, 487939), (1037, 479940), (1140, 436577), (1159, 429420), (1220, 407949), (1263, 394060), (1292, 385215), (1615, 308172), (1684, 295545), (1830, 271966), (1938, 256810), (2074, 239970), (2105, 236436), (2318, 214710), (2526, 197030), (3111, 159980), (3230, 154086), (3477, 143140), (3660, 135983), (3876, 128405), (4148, 119985), (4210, 118218), (4636, 107355), (4845, 102724), (5052, 98515), (5185, 95988), (5795, 85884), (6222, 79990), (6315, 78812), (6460, 77043), (6954, 71570), (7157, 69540), (7999, 62220), (8420, 59109), (9690, 51362), (10370, 47994), (11590, 42942), (12444, 39995), (12630, 39406), (13908, 35785), (14314, 34770), (15555, 31996), (15998, 31110), (17385, 28628), (19380, 25681), (19703, 25260), (20740, 23997), (21471, 23180)]