28042290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1$

素因数の和:109

約数の個数: 144

約数和(自身を含む): 82817280

約数和(自身を除く): 54774990

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 23, 30, 31, 38, 45, 46, 57, 62, 69, 90, 93, 95, 114, 115, 138, 155, 171, 186, 190, 207, 230, 279, 285, 310, 342, 345, 414, 437, 465, 529, 558, 570, 589, 690, 713, 855, 874, 930, 1035, 1058, 1178, 1311, 1395, 1426, 1587, 1710, 1767, 2070, 2139, 2185, 2622, 2645, 2790, 2945, 3174, 3534, 3565, 3933, 4278, 4370, 4761, 5290, 5301, 5890, 6417, 6555, 7130, 7866, 7935, 8835, 9522, 10051, 10602, 10695, 12834, 13110, 13547, 15870, 16399, 17670, 19665, 20102, 21390, 23805, 26505, 27094, 30153, 32085, 32798, 39330, 40641, 47610, 49197, 50255, 53010, 60306, 64170, 67735, 81282, 81995, 90459, 98394, 100510, 121923, 135470, 147591, 150765, 163990, 180918, 203205, 243846, 245985, 295182, 301530, 311581, 406410, 452295, 491970, 609615, 623162, 737955, 904590, 934743, 1219230, 1475910, 1557905, 1869486, 2804229, 3115810, 4673715, 5608458, 9347430, 14021145, 28042290]

約数ペア:

[(1, 28042290), (2, 14021145), (3, 9347430), (5, 5608458), (6, 4673715), (9, 3115810), (10, 2804229), (15, 1869486), (18, 1557905), (19, 1475910), (23, 1219230), (30, 934743), (31, 904590), (38, 737955), (45, 623162), (46, 609615), (57, 491970), (62, 452295), (69, 406410), (90, 311581), (93, 301530), (95, 295182), (114, 245985), (115, 243846), (138, 203205), (155, 180918), (171, 163990), (186, 150765), (190, 147591), (207, 135470), (230, 121923), (279, 100510), (285, 98394), (310, 90459), (342, 81995), (345, 81282), (414, 67735), (437, 64170), (465, 60306), (529, 53010), (558, 50255), (570, 49197), (589, 47610), (690, 40641), (713, 39330), (855, 32798), (874, 32085), (930, 30153), (1035, 27094), (1058, 26505), (1178, 23805), (1311, 21390), (1395, 20102), (1426, 19665), (1587, 17670), (1710, 16399), (1767, 15870), (2070, 13547), (2139, 13110), (2185, 12834), (2622, 10695), (2645, 10602), (2790, 10051), (2945, 9522), (3174, 8835), (3534, 7935), (3565, 7866), (3933, 7130), (4278, 6555), (4370, 6417), (4761, 5890), (5290, 5301)]