304802540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:260

約数の個数: 144

約数和(自身を含む): 784465920

約数和(自身を除く): 479663380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 79, 98, 124, 127, 140, 155, 158, 196, 217, 245, 254, 310, 316, 395, 434, 490, 508, 553, 620, 635, 790, 868, 889, 980, 1085, 1106, 1270, 1519, 1580, 1778, 2170, 2212, 2449, 2540, 2765, 3038, 3556, 3871, 3937, 4340, 4445, 4898, 5530, 6076, 6223, 7595, 7742, 7874, 8890, 9796, 10033, 11060, 12245, 12446, 15190, 15484, 15748, 17143, 17780, 19355, 19685, 20066, 24490, 24892, 27559, 30380, 31115, 34286, 38710, 39370, 40132, 48980, 50165, 55118, 62230, 68572, 70231, 77420, 78740, 85715, 100330, 110236, 120001, 124460, 137795, 140462, 171430, 192913, 200660, 240002, 275590, 280924, 311023, 342860, 351155, 385826, 480004, 491617, 551180, 600005, 622046, 702310, 771652, 964565, 983234, 1200010, 1244092, 1404620, 1555115, 1929130, 1966468, 2177161, 2400020, 2458085, 3110230, 3858260, 4354322, 4916170, 6220460, 8708644, 9832340, 10885805, 15240127, 21771610, 30480254, 43543220, 60960508, 76200635, 152401270, 304802540]

約数ペア:

[(1, 304802540), (2, 152401270), (4, 76200635), (5, 60960508), (7, 43543220), (10, 30480254), (14, 21771610), (20, 15240127), (28, 10885805), (31, 9832340), (35, 8708644), (49, 6220460), (62, 4916170), (70, 4354322), (79, 3858260), (98, 3110230), (124, 2458085), (127, 2400020), (140, 2177161), (155, 1966468), (158, 1929130), (196, 1555115), (217, 1404620), (245, 1244092), (254, 1200010), (310, 983234), (316, 964565), (395, 771652), (434, 702310), (490, 622046), (508, 600005), (553, 551180), (620, 491617), (635, 480004), (790, 385826), (868, 351155), (889, 342860), (980, 311023), (1085, 280924), (1106, 275590), (1270, 240002), (1519, 200660), (1580, 192913), (1778, 171430), (2170, 140462), (2212, 137795), (2449, 124460), (2540, 120001), (2765, 110236), (3038, 100330), (3556, 85715), (3871, 78740), (3937, 77420), (4340, 70231), (4445, 68572), (4898, 62230), (5530, 55118), (6076, 50165), (6223, 48980), (7595, 40132), (7742, 39370), (7874, 38710), (8890, 34286), (9796, 31115), (10033, 30380), (11060, 27559), (12245, 24892), (12446, 24490), (15190, 20066), (15484, 19685), (15748, 19355), (17143, 17780)]