490622080

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{541}}^1$

素因数の和:682

約数の個数: 128

約数和(自身を含む): 1277060400

約数和(自身を除く): 786438320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 109, 128, 130, 160, 208, 218, 260, 320, 416, 436, 520, 541, 545, 640, 832, 872, 1040, 1082, 1090, 1417, 1664, 1744, 2080, 2164, 2180, 2705, 2834, 3488, 4160, 4328, 4360, 5410, 5668, 6976, 7033, 7085, 8320, 8656, 8720, 10820, 11336, 13952, 14066, 14170, 17312, 17440, 21640, 22672, 28132, 28340, 34624, 34880, 35165, 43280, 45344, 56264, 56680, 58969, 69248, 69760, 70330, 86560, 90688, 112528, 113360, 117938, 140660, 173120, 181376, 225056, 226720, 235876, 281320, 294845, 346240, 450112, 453440, 471752, 562640, 589690, 766597, 900224, 906880, 943504, 1125280, 1179380, 1533194, 1887008, 2250560, 2358760, 3066388, 3774016, 3832985, 4501120, 4717520, 6132776, 7548032, 7665970, 9435040, 12265552, 15331940, 18870080, 24531104, 30663880, 37740160, 49062208, 61327760, 98124416, 122655520, 245311040, 490622080]

約数ペア:

[(1, 490622080), (2, 245311040), (4, 122655520), (5, 98124416), (8, 61327760), (10, 49062208), (13, 37740160), (16, 30663880), (20, 24531104), (26, 18870080), (32, 15331940), (40, 12265552), (52, 9435040), (64, 7665970), (65, 7548032), (80, 6132776), (104, 4717520), (109, 4501120), (128, 3832985), (130, 3774016), (160, 3066388), (208, 2358760), (218, 2250560), (260, 1887008), (320, 1533194), (416, 1179380), (436, 1125280), (520, 943504), (541, 906880), (545, 900224), (640, 766597), (832, 589690), (872, 562640), (1040, 471752), (1082, 453440), (1090, 450112), (1417, 346240), (1664, 294845), (1744, 281320), (2080, 235876), (2164, 226720), (2180, 225056), (2705, 181376), (2834, 173120), (3488, 140660), (4160, 117938), (4328, 113360), (4360, 112528), (5410, 90688), (5668, 86560), (6976, 70330), (7033, 69760), (7085, 69248), (8320, 58969), (8656, 56680), (8720, 56264), (10820, 45344), (11336, 43280), (13952, 35165), (14066, 34880), (14170, 34624), (17312, 28340), (17440, 28132), (21640, 22672)]