899470260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20231}}^1$

素因数の和:20278

約数の個数: 144

約数和(自身を含む): 3093068160

約数和(自身を除く): 2193597900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 468, 494, 570, 585, 684, 741, 780, 855, 988, 1140, 1170, 1235, 1482, 1710, 2223, 2340, 2470, 2964, 3420, 3705, 4446, 4940, 7410, 8892, 11115, 14820, 20231, 22230, 40462, 44460, 60693, 80924, 101155, 121386, 182079, 202310, 242772, 263003, 303465, 364158, 384389, 404620, 526006, 606930, 728316, 768778, 789009, 910395, 1052012, 1153167, 1213860, 1315015, 1537556, 1578018, 1820790, 1921945, 2306334, 2367027, 2630030, 3156036, 3459501, 3641580, 3843890, 3945045, 4612668, 4734054, 4997057, 5260060, 5765835, 6919002, 7687780, 7890090, 9468108, 9994114, 11531670, 11835135, 13838004, 14991171, 15780180, 17297505, 19988228, 23063340, 23670270, 24985285, 29982342, 34595010, 44973513, 47340540, 49970570, 59964684, 69190020, 74955855, 89947026, 99941140, 149911710, 179894052, 224867565, 299823420, 449735130, 899470260]

約数ペア:

[(1, 899470260), (2, 449735130), (3, 299823420), (4, 224867565), (5, 179894052), (6, 149911710), (9, 99941140), (10, 89947026), (12, 74955855), (13, 69190020), (15, 59964684), (18, 49970570), (19, 47340540), (20, 44973513), (26, 34595010), (30, 29982342), (36, 24985285), (38, 23670270), (39, 23063340), (45, 19988228), (52, 17297505), (57, 15780180), (60, 14991171), (65, 13838004), (76, 11835135), (78, 11531670), (90, 9994114), (95, 9468108), (114, 7890090), (117, 7687780), (130, 6919002), (156, 5765835), (171, 5260060), (180, 4997057), (190, 4734054), (195, 4612668), (228, 3945045), (234, 3843890), (247, 3641580), (260, 3459501), (285, 3156036), (342, 2630030), (380, 2367027), (390, 2306334), (468, 1921945), (494, 1820790), (570, 1578018), (585, 1537556), (684, 1315015), (741, 1213860), (780, 1153167), (855, 1052012), (988, 910395), (1140, 789009), (1170, 768778), (1235, 728316), (1482, 606930), (1710, 526006), (2223, 404620), (2340, 384389), (2470, 364158), (2964, 303465), (3420, 263003), (3705, 242772), (4446, 202310), (4940, 182079), (7410, 121386), (8892, 101155), (11115, 80924), (14820, 60693), (20231, 44460), (22230, 40462)]