1955210740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{773}}^1$

素因数の和:914

約数の個数: 144

約数和(自身を含む): 5002981200

約数和(自身を除く): 3047770460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 89, 98, 116, 140, 145, 178, 196, 203, 245, 290, 356, 406, 445, 490, 580, 623, 773, 812, 890, 980, 1015, 1246, 1421, 1546, 1780, 2030, 2492, 2581, 2842, 3092, 3115, 3865, 4060, 4361, 5162, 5411, 5684, 6230, 7105, 7730, 8722, 10324, 10822, 12460, 12905, 14210, 15460, 17444, 18067, 21644, 21805, 22417, 25810, 27055, 28420, 36134, 37877, 43610, 44834, 51620, 54110, 68797, 72268, 75754, 87220, 89668, 90335, 108220, 112085, 126469, 137594, 151508, 156919, 180670, 189385, 224170, 252938, 275188, 313838, 343985, 361340, 378770, 448340, 481579, 505876, 627676, 632345, 687970, 757540, 784595, 963158, 1098433, 1264690, 1375940, 1569190, 1926316, 1995113, 2196866, 2407895, 2529380, 3138380, 3371053, 3990226, 4393732, 4815790, 5492165, 6742106, 7980452, 9631580, 9975565, 10984330, 13484212, 13965791, 16855265, 19951130, 21968660, 27931582, 33710530, 39902260, 55863164, 67421060, 69828955, 97760537, 139657910, 195521074, 279315820, 391042148, 488802685, 977605370, 1955210740]

約数ペア:

[(1, 1955210740), (2, 977605370), (4, 488802685), (5, 391042148), (7, 279315820), (10, 195521074), (14, 139657910), (20, 97760537), (28, 69828955), (29, 67421060), (35, 55863164), (49, 39902260), (58, 33710530), (70, 27931582), (89, 21968660), (98, 19951130), (116, 16855265), (140, 13965791), (145, 13484212), (178, 10984330), (196, 9975565), (203, 9631580), (245, 7980452), (290, 6742106), (356, 5492165), (406, 4815790), (445, 4393732), (490, 3990226), (580, 3371053), (623, 3138380), (773, 2529380), (812, 2407895), (890, 2196866), (980, 1995113), (1015, 1926316), (1246, 1569190), (1421, 1375940), (1546, 1264690), (1780, 1098433), (2030, 963158), (2492, 784595), (2581, 757540), (2842, 687970), (3092, 632345), (3115, 627676), (3865, 505876), (4060, 481579), (4361, 448340), (5162, 378770), (5411, 361340), (5684, 343985), (6230, 313838), (7105, 275188), (7730, 252938), (8722, 224170), (10324, 189385), (10822, 180670), (12460, 156919), (12905, 151508), (14210, 137594), (15460, 126469), (17444, 112085), (18067, 108220), (21644, 90335), (21805, 89668), (22417, 87220), (25810, 75754), (27055, 72268), (28420, 68797), (36134, 54110), (37877, 51620), (43610, 44834)]