201136520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{373}}^1$

素因数の和:475

約数の個数: 128

約数和(自身を含む): 525903840

約数和(自身を除く): 324767320

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 61, 65, 68, 85, 104, 122, 130, 136, 170, 221, 244, 260, 305, 340, 373, 442, 488, 520, 610, 680, 746, 793, 884, 1037, 1105, 1220, 1492, 1586, 1768, 1865, 2074, 2210, 2440, 2984, 3172, 3730, 3965, 4148, 4420, 4849, 5185, 6341, 6344, 7460, 7930, 8296, 8840, 9698, 10370, 12682, 13481, 14920, 15860, 19396, 20740, 22753, 24245, 25364, 26962, 31705, 31720, 38792, 41480, 45506, 48490, 50728, 53924, 63410, 67405, 82433, 91012, 96980, 107848, 113765, 126820, 134810, 164866, 182024, 193960, 227530, 253640, 269620, 295789, 329732, 386801, 412165, 455060, 539240, 591578, 659464, 773602, 824330, 910120, 1183156, 1478945, 1547204, 1648660, 1934005, 2366312, 2957890, 3094408, 3297320, 3868010, 5028413, 5915780, 7736020, 10056826, 11831560, 15472040, 20113652, 25142065, 40227304, 50284130, 100568260, 201136520]

約数ペア:

[(1, 201136520), (2, 100568260), (4, 50284130), (5, 40227304), (8, 25142065), (10, 20113652), (13, 15472040), (17, 11831560), (20, 10056826), (26, 7736020), (34, 5915780), (40, 5028413), (52, 3868010), (61, 3297320), (65, 3094408), (68, 2957890), (85, 2366312), (104, 1934005), (122, 1648660), (130, 1547204), (136, 1478945), (170, 1183156), (221, 910120), (244, 824330), (260, 773602), (305, 659464), (340, 591578), (373, 539240), (442, 455060), (488, 412165), (520, 386801), (610, 329732), (680, 295789), (746, 269620), (793, 253640), (884, 227530), (1037, 193960), (1105, 182024), (1220, 164866), (1492, 134810), (1586, 126820), (1768, 113765), (1865, 107848), (2074, 96980), (2210, 91012), (2440, 82433), (2984, 67405), (3172, 63410), (3730, 53924), (3965, 50728), (4148, 48490), (4420, 45506), (4849, 41480), (5185, 38792), (6341, 31720), (6344, 31705), (7460, 26962), (7930, 25364), (8296, 24245), (8840, 22753), (9698, 20740), (10370, 19396), (12682, 15860), (13481, 14920)]