628448940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{26251}}^1$

素因数の和:26292

約数の個数: 144

約数和(自身を含む): 2293374720

約数和(自身を除く): 1664925780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3420, 3990, 4788, 5985, 7980, 11970, 23940, 26251, 52502, 78753, 105004, 131255, 157506, 183757, 236259, 262510, 315012, 367514, 393765, 472518, 498769, 525020, 551271, 735028, 787530, 918785, 945036, 997538, 1102542, 1181295, 1496307, 1575060, 1653813, 1837570, 1995076, 2205084, 2362590, 2493845, 2756355, 2992614, 3307626, 3491383, 3675140, 4488921, 4725180, 4987690, 5512710, 5985228, 6615252, 6982766, 7481535, 8269065, 8977842, 9975380, 10474149, 11025420, 13965532, 14963070, 16538130, 17456915, 17955684, 20948298, 22444605, 29926140, 31422447, 33076260, 34913830, 41896596, 44889210, 52370745, 62844894, 69827660, 89778420, 104741490, 125689788, 157112235, 209482980, 314224470, 628448940]

約数ペア:

[(1, 628448940), (2, 314224470), (3, 209482980), (4, 157112235), (5, 125689788), (6, 104741490), (7, 89778420), (9, 69827660), (10, 62844894), (12, 52370745), (14, 44889210), (15, 41896596), (18, 34913830), (19, 33076260), (20, 31422447), (21, 29926140), (28, 22444605), (30, 20948298), (35, 17955684), (36, 17456915), (38, 16538130), (42, 14963070), (45, 13965532), (57, 11025420), (60, 10474149), (63, 9975380), (70, 8977842), (76, 8269065), (84, 7481535), (90, 6982766), (95, 6615252), (105, 5985228), (114, 5512710), (126, 4987690), (133, 4725180), (140, 4488921), (171, 3675140), (180, 3491383), (190, 3307626), (210, 2992614), (228, 2756355), (252, 2493845), (266, 2362590), (285, 2205084), (315, 1995076), (342, 1837570), (380, 1653813), (399, 1575060), (420, 1496307), (532, 1181295), (570, 1102542), (630, 997538), (665, 945036), (684, 918785), (798, 787530), (855, 735028), (1140, 551271), (1197, 525020), (1260, 498769), (1330, 472518), (1596, 393765), (1710, 367514), (1995, 315012), (2394, 262510), (2660, 236259), (3420, 183757), (3990, 157506), (4788, 131255), (5985, 105004), (7980, 78753), (11970, 52502), (23940, 26251)]