206685990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:627

約数の個数: 192

約数和(自身を含む): 668528640

約数和(自身を除く): 461842650

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 31, 35, 38, 42, 45, 57, 62, 63, 70, 90, 93, 95, 105, 114, 126, 133, 155, 171, 186, 190, 210, 217, 266, 279, 285, 310, 315, 342, 399, 434, 465, 557, 558, 570, 589, 630, 651, 665, 798, 855, 930, 1085, 1114, 1178, 1197, 1302, 1330, 1395, 1671, 1710, 1767, 1953, 1995, 2170, 2394, 2785, 2790, 2945, 3255, 3342, 3534, 3899, 3906, 3990, 4123, 5013, 5301, 5570, 5890, 5985, 6510, 7798, 8246, 8355, 8835, 9765, 10026, 10583, 10602, 11697, 11970, 12369, 16710, 17267, 17670, 19495, 19530, 20615, 21166, 23394, 24738, 25065, 26505, 31749, 34534, 35091, 37107, 38990, 41230, 50130, 51801, 52915, 53010, 58485, 61845, 63498, 70182, 74081, 74214, 86335, 95247, 103602, 105830, 116970, 120869, 123690, 148162, 155403, 158745, 172670, 175455, 185535, 190494, 222243, 241738, 259005, 310806, 317490, 328073, 350910, 362607, 370405, 371070, 444486, 476235, 518010, 604345, 656146, 666729, 725214, 740810, 777015, 952470, 984219, 1087821, 1111215, 1208690, 1333458, 1554030, 1640365, 1813035, 1968438, 2175642, 2222430, 2296511, 2952657, 3280730, 3333645, 3626070, 4593022, 4921095, 5439105, 5905314, 6667290, 6889533, 9842190, 10878210, 11482555, 13779066, 14763285, 20668599, 22965110, 29526570, 34447665, 41337198, 68895330, 103342995, 206685990]

約数ペア:

[(1, 206685990), (2, 103342995), (3, 68895330), (5, 41337198), (6, 34447665), (7, 29526570), (9, 22965110), (10, 20668599), (14, 14763285), (15, 13779066), (18, 11482555), (19, 10878210), (21, 9842190), (30, 6889533), (31, 6667290), (35, 5905314), (38, 5439105), (42, 4921095), (45, 4593022), (57, 3626070), (62, 3333645), (63, 3280730), (70, 2952657), (90, 2296511), (93, 2222430), (95, 2175642), (105, 1968438), (114, 1813035), (126, 1640365), (133, 1554030), (155, 1333458), (171, 1208690), (186, 1111215), (190, 1087821), (210, 984219), (217, 952470), (266, 777015), (279, 740810), (285, 725214), (310, 666729), (315, 656146), (342, 604345), (399, 518010), (434, 476235), (465, 444486), (557, 371070), (558, 370405), (570, 362607), (589, 350910), (630, 328073), (651, 317490), (665, 310806), (798, 259005), (855, 241738), (930, 222243), (1085, 190494), (1114, 185535), (1178, 175455), (1197, 172670), (1302, 158745), (1330, 155403), (1395, 148162), (1671, 123690), (1710, 120869), (1767, 116970), (1953, 105830), (1995, 103602), (2170, 95247), (2394, 86335), (2785, 74214), (2790, 74081), (2945, 70182), (3255, 63498), (3342, 61845), (3534, 58485), (3899, 53010), (3906, 52915), (3990, 51801), (4123, 50130), (5013, 41230), (5301, 38990), (5570, 37107), (5890, 35091), (5985, 34534), (6510, 31749), (7798, 26505), (8246, 25065), (8355, 24738), (8835, 23394), (9765, 21166), (10026, 20615), (10583, 19530), (10602, 19495), (11697, 17670), (11970, 17267), (12369, 16710)]