290059900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:248

約数の個数: 144

約数和(自身を含む): 721828800

約数和(自身を除く): 431768900

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 25, 26, 46, 50, 52, 65, 89, 92, 100, 109, 115, 130, 178, 218, 230, 260, 299, 325, 356, 436, 445, 460, 545, 575, 598, 650, 890, 1090, 1150, 1157, 1196, 1300, 1417, 1495, 1780, 2047, 2180, 2225, 2300, 2314, 2507, 2725, 2834, 2990, 4094, 4450, 4628, 5014, 5450, 5668, 5785, 5980, 7085, 7475, 8188, 8900, 9701, 10028, 10235, 10900, 11570, 12535, 14170, 14950, 19402, 20470, 23140, 25070, 26611, 28340, 28925, 29900, 32591, 35425, 38804, 40940, 48505, 50140, 51175, 53222, 57850, 62675, 65182, 70850, 97010, 102350, 106444, 115700, 125350, 126113, 130364, 133055, 141700, 162955, 194020, 204700, 223123, 242525, 250700, 252226, 266110, 325910, 446246, 485050, 504452, 532220, 630565, 651820, 665275, 814775, 892492, 970100, 1115615, 1261130, 1330550, 1629550, 2231230, 2522260, 2661100, 2900599, 3152825, 3259100, 4462460, 5578075, 5801198, 6305650, 11156150, 11602396, 12611300, 14502995, 22312300, 29005990, 58011980, 72514975, 145029950, 290059900]

約数ペア:

[(1, 290059900), (2, 145029950), (4, 72514975), (5, 58011980), (10, 29005990), (13, 22312300), (20, 14502995), (23, 12611300), (25, 11602396), (26, 11156150), (46, 6305650), (50, 5801198), (52, 5578075), (65, 4462460), (89, 3259100), (92, 3152825), (100, 2900599), (109, 2661100), (115, 2522260), (130, 2231230), (178, 1629550), (218, 1330550), (230, 1261130), (260, 1115615), (299, 970100), (325, 892492), (356, 814775), (436, 665275), (445, 651820), (460, 630565), (545, 532220), (575, 504452), (598, 485050), (650, 446246), (890, 325910), (1090, 266110), (1150, 252226), (1157, 250700), (1196, 242525), (1300, 223123), (1417, 204700), (1495, 194020), (1780, 162955), (2047, 141700), (2180, 133055), (2225, 130364), (2300, 126113), (2314, 125350), (2507, 115700), (2725, 106444), (2834, 102350), (2990, 97010), (4094, 70850), (4450, 65182), (4628, 62675), (5014, 57850), (5450, 53222), (5668, 51175), (5785, 50140), (5980, 48505), (7085, 40940), (7475, 38804), (8188, 35425), (8900, 32591), (9701, 29900), (10028, 28925), (10235, 28340), (10900, 26611), (11570, 25070), (12535, 23140), (14170, 20470), (14950, 19402)]